83497530 has 32 divisors (see below), whose sum is σ = 205812864. Its totient is φ = 21663936.

The previous prime is 83497511. The next prime is 83497537. The reversal of 83497530 is 3579438.

It is a super-2 number, since 2×83497530² = 13943675032201800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (83497537) 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 15 ways as a sum of consecutive naturals, for example, 36502 + ... + 38721.

It is an arithmetic number, because the mean of its divisors is an integer number (6431652).

Almost surely, 2^83497530 is an apocalyptic number.

83497530 is an abundant number, since it is smaller than the sum of its proper divisors (122315334).

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

83497530 is a wasteful number, since it uses less digits than its factorization.

83497530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75270.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 83497530 is about 9137.6982878622. The cubic root of 83497530 is about 437.0769221572.

The spelling of 83497530 in words is "eighty-three million, four hundred ninety-seven thousand, five hundred thirty".