25126000625 has 40 divisors (see below), whose sum is σ = 34291998048. Its totient is φ = 18252000000.

The previous prime is 25126000621. The next prime is 25126000651. The reversal of 25126000625 is 52600062152.

It is not a de Polignac number, because 25126000625 - 2² = 25126000621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25126000621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8049065 + ... + 8052185.

Almost surely, 2^25126000625 is an apocalyptic number.

25126000625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25126000625 is a deficient number, since it is larger than the sum of its proper divisors (9165997423).

25126000625 is a wasteful number, since it uses less digits than its factorization.

With its successor (25126000626) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (4323).

25126000625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4323 (or 4308 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 25126000625 its reverse (52600062152), we get a palindrome (77726062777).

It can be divided in two parts, 25 and 126000625, that multiplied together give a square (3150015625 = 56125²).

The spelling of 25126000625 in words is "twenty-five billion, one hundred twenty-six million, six hundred twenty-five", and thus it is an aban number.