61250900 has 36 divisors (see below), whose sum is σ = 137504220. Its totient is φ = 23654400.

The previous prime is 61250899. The next prime is 61250911. The reversal of 61250900 is 905216.

It can be written as a sum of positive squares in 6 ways, for example, as 4624 + 61246276 = 68^2 + 7826^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7661 + ... + 13460.

Almost surely, 2^61250900 is an apocalyptic number.

It is an amenable number.

61250900 is an abundant number, since it is smaller than the sum of its proper divisors (76253320).

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

61250900 is a wasteful number, since it uses less digits than its factorization.

61250900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21164 (or 21157 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 61250900 is about 7826.2954199289. The cubic root of 61250900 is about 394.1886888565.

The spelling of 61250900 in words is "sixty-one million, two hundred fifty thousand, nine hundred".