25054252025 has 72 divisors (see below), whose sum is σ = 35418399744. Its totient is φ = 17433964800.

The previous prime is 25054252021. The next prime is 25054252033. The reversal of 25054252025 is 52025245052.

It is not a de Polignac number, because 25054252025 - 2² = 25054252021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25054251982 and 25054252000.

It is not an unprimeable number, because it can be changed into a prime (25054252021) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 29371499 + ... + 29372351.

Almost surely, 2^25054252025 is an apocalyptic number.

25054252025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25054252025 is a deficient number, since it is larger than the sum of its proper divisors (10364147719).

25054252025 is a wasteful number, since it uses less digits than its factorization.

25054252025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059 (or 1025 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 32.

Adding to 25054252025 its reverse (52025245052), we get a palindrome (77079497077).

The spelling of 25054252025 in words is "twenty-five billion, fifty-four million, two hundred fifty-two thousand, twenty-five".