83525490 has 48 divisors (see below), whose sum is σ = 217945728. Its totient is φ = 22193568.

The previous prime is 83525467. The next prime is 83525513. The reversal of 83525490 is 9452538.

It is an interprime number because it is at equal distance from previous prime (83525467) and next prime (83525513).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26119 + ... + 29141.

It is an arithmetic number, because the mean of its divisors is an integer number (4540536).

Almost surely, 2^83525490 is an apocalyptic number.

83525490 is an abundant number, since it is smaller than the sum of its proper divisors (134420238).

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

83525490 is a wasteful number, since it uses less digits than its factorization.

83525490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3343 (or 3340 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 83525490 is about 9139.2280855661. The cubic root of 83525490 is about 437.1257032686.

The spelling of 83525490 in words is "eighty-three million, five hundred twenty-five thousand, four hundred ninety".