25213621260 has 24 divisors (see below), whose sum is σ = 70598139696. Its totient is φ = 6723632320.

The previous prime is 25213621249. The next prime is 25213621273. The reversal of 25213621260 is 6212631252.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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

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, 210113451 + ... + 210113570.

It is an arithmetic number, because the mean of its divisors is an integer number (2941589154).

Almost surely, 2^25213621260 is an apocalyptic number.

25213621260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25213621260 is an abundant number, since it is smaller than the sum of its proper divisors (45384518436).

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

25213621260 is a wasteful number, since it uses less digits than its factorization.

25213621260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420227033 (or 420227031 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 25213621260 in words is "twenty-five billion, two hundred thirteen million, six hundred twenty-one thousand, two hundred sixty".