25035669625 has 64 divisors (see below), whose sum is σ = 33999533568. Its totient is φ = 18354336000.

The previous prime is 25035669601. The next prime is 25035669629. The reversal of 25035669625 is 52696653052.

It is not a de Polignac number, because 25035669625 - 2¹¹ = 25035667577 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25035669629) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6550215 + ... + 6554035.

It is an arithmetic number, because the mean of its divisors is an integer number (531242712).

Almost surely, 2^25035669625 is an apocalyptic number.

25035669625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25035669625 is a deficient number, since it is larger than the sum of its proper divisors (8963863943).

25035669625 is a wasteful number, since it uses less digits than its factorization.

25035669625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3955 (or 3945 counting only the distinct ones).

The product of its (nonzero) digits is 2916000, while the sum is 49.

The spelling of 25035669625 in words is "twenty-five billion, thirty-five million, six hundred sixty-nine thousand, six hundred twenty-five".