25762631 has 2 divisors, whose sum is σ = 25762632. Its totient is φ = 25762630.

The previous prime is 25762621. The next prime is 25762657. The reversal of 25762631 is 13626752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25762631 - 2¹⁰ = 25761607 is a prime.

It is a super-2 number, since 2×25762631² = 1327426312084322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25762621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12881315 + 12881316.

It is an arithmetic number, because the mean of its divisors is an integer number (12881316).

Almost surely, 2^25762631 is an apocalyptic number.

25762631 is a deficient number, since it is larger than the sum of its proper divisors (1).

25762631 is an equidigital number, since it uses as much as digits as its factorization.

25762631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 32.

The square root of 25762631 is about 5075.6901993719. The cubic root of 25762631 is about 295.3453047420.

The spelling of 25762631 in words is "twenty-five million, seven hundred sixty-two thousand, six hundred thirty-one".