25000252631 has 2 divisors, whose sum is σ = 25000252632. Its totient is φ = 25000252630.

The previous prime is 25000252601. The next prime is 25000252639. The reversal of 25000252631 is 13625200052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25000252631 - 2⁶ = 25000252567 is a prime.

It is a super-2 number, since 2×25000252631² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25000252631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25000252639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12500126315 + 12500126316.

It is an arithmetic number, because the mean of its divisors is an integer number (12500126316).

Almost surely, 2^25000252631 is an apocalyptic number.

25000252631 is a deficient number, since it is larger than the sum of its proper divisors (1).

25000252631 is an equidigital number, since it uses as much as digits as its factorization.

25000252631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 25000252631 its reverse (13625200052), we get a palindrome (38625452683).

The spelling of 25000252631 in words is "twenty-five billion, two hundred fifty-two thousand, six hundred thirty-one".