25633025 has 24 divisors (see below), whose sum is σ = 36720864. Its totient is φ = 17542400.

The previous prime is 25633021. The next prime is 25633037. The reversal of 25633025 is 52033652.

It is not a de Polignac number, because 25633025 - 2² = 25633021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25632985 and 25633003.

It is not an unprimeable number, because it can be changed into a prime (25633021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1934 + ... + 7416.

It is an arithmetic number, because the mean of its divisors is an integer number (1530036).

Almost surely, 2^25633025 is an apocalyptic number.

25633025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25633025 is a deficient number, since it is larger than the sum of its proper divisors (11087839).

25633025 is a wasteful number, since it uses less digits than its factorization.

25633025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5521 (or 5516 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 25633025 is about 5062.9067737812. The cubic root of 25633025 is about 294.8491999538.

Adding to 25633025 its reverse (52033652), we get a palindrome (77666677).

The spelling of 25633025 in words is "twenty-five million, six hundred thirty-three thousand, twenty-five".