25025330025 has 48 divisors (see below), whose sum is σ = 46151659200. Its totient is φ = 13294817280.

The previous prime is 25025330009. The next prime is 25025330047. The reversal of 25025330025 is 52003352052.

It is not a de Polignac number, because 25025330025 - 2⁴ = 25025330009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 101346 + ... + 245604.

It is an arithmetic number, because the mean of its divisors is an integer number (961492900).

Almost surely, 2^25025330025 is an apocalyptic number.

25025330025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25025330025 is a deficient number, since it is larger than the sum of its proper divisors (21126329175).

25025330025 is a wasteful number, since it uses less digits than its factorization.

25025330025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144535 (or 144524 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

Adding to 25025330025 its reverse (52003352052), we get a palindrome (77028682077).

The spelling of 25025330025 in words is "twenty-five billion, twenty-five million, three hundred thirty thousand, twenty-five".