25113500 has 24 divisors (see below), whose sum is σ = 54848976. Its totient is φ = 10045200.

The previous prime is 25113499. The next prime is 25113523. The reversal of 25113500 is 531152.

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, 24614 + ... + 25613.

It is an arithmetic number, because the mean of its divisors is an integer number (2285374).

Almost surely, 2^25113500 is an apocalyptic number.

25113500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25113500 is an abundant number, since it is smaller than the sum of its proper divisors (29735476).

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

25113500 is a wasteful number, since it uses less digits than its factorization.

25113500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50246 (or 50234 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 25113500 is about 5011.3371469100. The cubic root of 25113500 is about 292.8436072042.

Adding to 25113500 its reverse (531152), we get a palindrome (25644652).

The spelling of 25113500 in words is "twenty-five million, one hundred thirteen thousand, five hundred".