82961250 has 40 divisors (see below), whose sum is σ = 207346128. Its totient is φ = 22122000.

The previous prime is 82961237. The next prime is 82961267. The reversal of 82961250 is 5216928.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7312 + ... + 14811.

Almost surely, 2^82961250 is an apocalyptic number.

82961250 is an abundant number, since it is smaller than the sum of its proper divisors (124384878).

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

82961250 is a wasteful number, since it uses less digits than its factorization.

82961250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22148 (or 22133 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 82961250 is about 9108.3066483293. The cubic root of 82961250 is about 436.1391729486.

The spelling of 82961250 in words is "eighty-two million, nine hundred sixty-one thousand, two hundred fifty".