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2552449 is a prime number
BaseRepresentation
bin1001101111001010000001
311210200022011
421233022001
51123134244
6130412521
730460354
oct11571201
94720264
102552449
111493769
12a31141
136b4a33
144a629b
15356434
hex26f281

2552449 has 2 divisors, whose sum is σ = 2552450. Its totient is φ = 2552448.

The previous prime is 2552413. The next prime is 2552461. The reversal of 2552449 is 9442552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2480625 + 71824 = 1575^2 + 268^2 .

It is a cyclic number.

It is not a de Polignac number, because 2552449 - 215 = 2519681 is a prime.

It is equal to p186619 and since 2552449 and 186619 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2552449.

It is not a weakly prime, because it can be changed into another prime (2559449) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276224 + 1276225.

It is an arithmetic number, because the mean of its divisors is an integer number (1276225).

22552449 is an apocalyptic number.

It is an amenable number.

2552449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2552449 is an equidigital number, since it uses as much as digits as its factorization.

2552449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 31.

The square root of 2552449 is about 1597.6385698899. The cubic root of 2552449 is about 136.6634429803.

It can be divided in two parts, 255 and 2449, that added together give a square (2704 = 522).

The spelling of 2552449 in words is "two million, five hundred fifty-two thousand, four hundred forty-nine".