32456257 has 2 divisors, whose sum is σ = 32456258. Its totient is φ = 32456256.

The previous prime is 32456239. The next prime is 32456261. The reversal of 32456257 is 75265423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30371121 + 2085136 = 5511^2 + 1444^2 .

It is a cyclic number.

It is not a de Polignac number, because 32456257 - 2⁷ = 32456129 is a prime.

It is not a weakly prime, because it can be changed into another prime (32456267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16228128 + 16228129.

It is an arithmetic number, because the mean of its divisors is an integer number (16228129).

Almost surely, 2^32456257 is an apocalyptic number.

It is an amenable number.

32456257 is a deficient number, since it is larger than the sum of its proper divisors (1).

32456257 is an equidigital number, since it uses as much as digits as its factorization.

32456257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 34.

The square root of 32456257 is about 5697.0393188041. The cubic root of 32456257 is about 318.9819763600.

The spelling of 32456257 in words is "thirty-two million, four hundred fifty-six thousand, two hundred fifty-seven".