2725632257 has 2 divisors, whose sum is σ = 2725632258. Its totient is φ = 2725632256.

The previous prime is 2725632233. The next prime is 2725632307. The reversal of 2725632257 is 7522365272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2687489281 + 38142976 = 51841^2 + 6176^2 .

It is a cyclic number.

It is not a de Polignac number, because 2725632257 - 2⁸ = 2725632001 is a prime.

It is not a weakly prime, because it can be changed into another prime (2725632557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1362816128 + 1362816129.

It is an arithmetic number, because the mean of its divisors is an integer number (1362816129).

Almost surely, 2^2725632257 is an apocalyptic number.

It is an amenable number.

2725632257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2725632257 is an equidigital number, since it uses as much as digits as its factorization.

2725632257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 352800, while the sum is 41.

The square root of 2725632257 is about 52207.5881170544. The cubic root of 2725632257 is about 1396.8692382101.

The spelling of 2725632257 in words is "two billion, seven hundred twenty-five million, six hundred thirty-two thousand, two hundred fifty-seven".