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2525531 is a prime number
BaseRepresentation
bin1001101000100101011011
311202022101012
421220211123
51121304111
6130044135
730316031
oct11504533
94668335
102525531
111475518
12a1964b
136a56c8
1449a551
1534d48b
hex26895b

2525531 has 2 divisors, whose sum is σ = 2525532. Its totient is φ = 2525530.

The previous prime is 2525507. The next prime is 2525557. The reversal of 2525531 is 1355252.

2525531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2525531 - 214 = 2509147 is a prime.

It is a super-2 number, since 2×25255312 = 12756613663922, which contains 22 as substring.

It is a Chen prime.

It is a d-powerful number, because it can be written as 29 + 52 + 212 + 58 + 59 + 311 + 1 .

It is equal to p184820 and since 2525531 and 184820 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 2525497 and 2525506.

It is not a weakly prime, because it can be changed into another prime (2525591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262765 + 1262766.

It is an arithmetic number, because the mean of its divisors is an integer number (1262766).

22525531 is an apocalyptic number.

2525531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2525531 is an equidigital number, since it uses as much as digits as its factorization.

2525531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1500, while the sum is 23.

The square root of 2525531 is about 1589.1919330276. The cubic root of 2525531 is about 136.1813289166.

The spelling of 2525531 in words is "two million, five hundred twenty-five thousand, five hundred thirty-one".