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2551013 is a prime number
BaseRepresentation
bin1001101110110011100101
311210121022222
421232303211
51123113023
6130402125
730453233
oct11566345
94717288
102551013
111492683
12a30345
136b419a
144a5953
15355cc8
hex26ece5

2551013 has 2 divisors, whose sum is σ = 2551014. Its totient is φ = 2551012.

The previous prime is 2551009. The next prime is 2551027. The reversal of 2551013 is 3101552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1555009 + 996004 = 1247^2 + 998^2 .

It is a cyclic number.

It is not a de Polignac number, because 2551013 - 22 = 2551009 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2550982 and 2551000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2551033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275506 + 1275507.

It is an arithmetic number, because the mean of its divisors is an integer number (1275507).

22551013 is an apocalyptic number.

It is an amenable number.

2551013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2551013 is an equidigital number, since it uses as much as digits as its factorization.

2551013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 2551013 is about 1597.1890933762. The cubic root of 2551013 is about 136.6378093609.

Adding to 2551013 its reverse (3101552), we get a palindrome (5652565).

The spelling of 2551013 in words is "two million, five hundred fifty-one thousand, thirteen".