83525904 has 320 divisors, whose sum is σ = 312360960. Its totient is φ = 20995200.

The previous prime is 83525867. The next prime is 83525921. The reversal of 83525904 is 40952538.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2694369 + ... + 2694399.

It is an arithmetic number, because the mean of its divisors is an integer number (976128).

Almost surely, 2^83525904 is an apocalyptic number.

83525904 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83525904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156180480).

83525904 is an abundant number, since it is smaller than the sum of its proper divisors (228835056).

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

83525904 is a wasteful number, since it uses less digits than its factorization.

83525904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 54 counting only the distinct ones).

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

The square root of 83525904 is about 9139.2507351533. The cubic root of 83525904 is about 437.1264254822.

The spelling of 83525904 in words is "eighty-three million, five hundred twenty-five thousand, nine hundred four".