25087620 has 48 divisors (see below), whose sum is σ = 70475328. Its totient is φ = 6668160.

The previous prime is 25087609. The next prime is 25087627. The reversal of 25087620 is 2678052.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (25087627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27207 + ... + 28113.

It is an arithmetic number, because the mean of its divisors is an integer number (1468236).

Almost surely, 2^25087620 is an apocalyptic number.

25087620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25087620 is an abundant number, since it is smaller than the sum of its proper divisors (45387708).

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

25087620 is a wasteful number, since it uses less digits than its factorization.

25087620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380 (or 1378 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 25087620 is about 5008.7543361598. The cubic root of 25087620 is about 292.7429787585.

The spelling of 25087620 in words is "twenty-five million, eighty-seven thousand, six hundred twenty".