25265277625 has 16 divisors (see below), whose sum is σ = 36035505792. Its totient is φ = 17324761200.

The previous prime is 25265277577. The next prime is 25265277629. The reversal of 25265277625 is 52677256252.

It is not a de Polignac number, because 25265277625 - 2¹³ = 25265269433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25265277629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14436427 + ... + 14438176.

It is an arithmetic number, because the mean of its divisors is an integer number (2252219112).

Almost surely, 2^25265277625 is an apocalyptic number.

25265277625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25265277625 is a deficient number, since it is larger than the sum of its proper divisors (10770228167).

25265277625 is an equidigital number, since it uses as much as digits as its factorization.

25265277625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28874625 (or 28874615 counting only the distinct ones).

The product of its digits is 3528000, while the sum is 49.

The spelling of 25265277625 in words is "twenty-five billion, two hundred sixty-five million, two hundred seventy-seven thousand, six hundred twenty-five".