25052540 has 24 divisors (see below), whose sum is σ = 52708320. Its totient is φ = 10002368.

The previous prime is 25052539. The next prime is 25052567. The reversal of 25052540 is 4525052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16034 + ... + 17526.

It is an arithmetic number, because the mean of its divisors is an integer number (2196180).

Almost surely, 2^25052540 is an apocalyptic number.

25052540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25052540 is an abundant number, since it is smaller than the sum of its proper divisors (27655780).

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

25052540 is a wasteful number, since it uses less digits than its factorization.

25052540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2341 (or 2339 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 25052540 is about 5005.2512424453. The cubic root of 25052540 is about 292.6064676826.

Adding to 25052540 its reverse (4525052), we get a palindrome (29577592).

The spelling of 25052540 in words is "twenty-five million, fifty-two thousand, five hundred forty".