25236780 has 24 divisors (see below), whose sum is σ = 70663152. Its totient is φ = 6729792.

The previous prime is 25236779. The next prime is 25236817. The reversal of 25236780 is 8763252.

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, 210247 + ... + 210366.

It is an arithmetic number, because the mean of its divisors is an integer number (2944298).

Almost surely, 2^25236780 is an apocalyptic number.

25236780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25236780 is an abundant number, since it is smaller than the sum of its proper divisors (45426372).

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

25236780 is a wasteful number, since it uses less digits than its factorization.

25236780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420625 (or 420623 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 25236780 is about 5023.6221991706. The cubic root of 25236780 is about 293.3220065645.

The spelling of 25236780 in words is "twenty-five million, two hundred thirty-six thousand, seven hundred eighty".