25046257 has 2 divisors, whose sum is σ = 25046258. Its totient is φ = 25046256.

The previous prime is 25046221. The next prime is 25046261. The reversal of 25046257 is 75264052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25040016 + 6241 = 5004^2 + 79^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25046257 is a prime.

It is not a weakly prime, because it can be changed into another prime (25046207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12523128 + 12523129.

It is an arithmetic number, because the mean of its divisors is an integer number (12523129).

Almost surely, 2^25046257 is an apocalyptic number.

It is an amenable number.

25046257 is a deficient number, since it is larger than the sum of its proper divisors (1).

25046257 is an equidigital number, since it uses as much as digits as its factorization.

25046257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 25046257 is about 5004.6235622672. The cubic root of 25046257 is about 292.5820044259.

The spelling of 25046257 in words is "twenty-five million, forty-six thousand, two hundred fifty-seven".