25313500 has 24 divisors (see below), whose sum is σ = 55285776. Its totient is φ = 10125200.

The previous prime is 25313447. The next prime is 25313503. The reversal of 25313500 is 531352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25313503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24814 + ... + 25813.

It is an arithmetic number, because the mean of its divisors is an integer number (2303574).

Almost surely, 2^25313500 is an apocalyptic number.

25313500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25313500 is an abundant number, since it is smaller than the sum of its proper divisors (29972276).

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

25313500 is a wasteful number, since it uses less digits than its factorization.

25313500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50646 (or 50634 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 25313500 is about 5031.2523291920. The cubic root of 25313500 is about 293.6189395727.

Adding to 25313500 its reverse (531352), we get a palindrome (25844852).

The spelling of 25313500 in words is "twenty-five million, three hundred thirteen thousand, five hundred".