522537408 has 42 divisors (see below), whose sum is σ = 1497760784. Its totient is φ = 174178944.

The previous prime is 522537403. The next prime is 522537409. The reversal of 522537408 is 804735225.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522537403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 453016 + ... + 454167.

Almost surely, 2^522537408 is an apocalyptic number.

It is an amenable number.

522537408 is an abundant number, since it is smaller than the sum of its proper divisors (975223376).

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

522537408 is a wasteful number, since it uses less digits than its factorization.

522537408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907201 (or 907188 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 522537408 is about 22859.0771467266. The cubic root of 522537408 is about 805.4510071264.

The spelling of 522537408 in words is "five hundred twenty-two million, five hundred thirty-seven thousand, four hundred eight".