94942521 has 6 divisors (see below), whose sum is σ = 137139210. Its totient is φ = 63295008.

The previous prime is 94942517. The next prime is 94942531. The reversal of 94942521 is 12524949.

94942521 is a `hidden beast` number, since 94 + 9 + 42 + 521 = 666.

It can be written as a sum of positive squares in only one way, i.e., 78854400 + 16088121 = 8880^2 + 4011^2 .

It is not a de Polignac number, because 94942521 - 2² = 94942517 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (94942531) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5274576 + ... + 5274593.

It is an arithmetic number, because the mean of its divisors is an integer number (22856535).

Almost surely, 2^94942521 is an apocalyptic number.

It is an amenable number.

94942521 is a deficient number, since it is larger than the sum of its proper divisors (42196689).

94942521 is a wasteful number, since it uses less digits than its factorization.

94942521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10549175 (or 10549172 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 94942521 is about 9743.8452881806. The cubic root of 94942521 is about 456.1982200322.

The spelling of 94942521 in words is "ninety-four million, nine hundred forty-two thousand, five hundred twenty-one".