25022025 has 36 divisors (see below), whose sum is σ = 51222912. Its totient is φ = 11437920.

The previous prime is 25022009. The next prime is 25022051. The reversal of 25022025 is 52022052.

It is not a de Polignac number, because 25022025 - 2⁴ = 25022009 is a prime.

It is a super-2 number, since 2×25022025² = 1252203470201250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25021989 and 25022007.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6369 + ... + 9518.

Almost surely, 2^25022025 is an apocalyptic number.

25022025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25022025 is an abundant number, since it is smaller than the sum of its proper divisors (26200887).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25022025 is a wasteful number, since it uses less digits than its factorization.

25022025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15910 (or 15902 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 25022025 is about 5002.2020151129. The cubic root of 25022025 is about 292.4876172711.

Adding to 25022025 its reverse (52022052), we get a palindrome (77044077).

The spelling of 25022025 in words is "twenty-five million, twenty-two thousand, twenty-five".