83910525 has 12 divisors (see below), whose sum is σ = 138732192. Its totient is φ = 44752240.

The previous prime is 83910493. The next prime is 83910553. The reversal of 83910525 is 52501938.

It is not a de Polignac number, because 83910525 - 2⁵ = 83910493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 559329 + ... + 559478.

It is an arithmetic number, because the mean of its divisors is an integer number (11561016).

Almost surely, 2^83910525 is an apocalyptic number.

It is an amenable number.

83910525 is a deficient number, since it is larger than the sum of its proper divisors (54821667).

83910525 is a wasteful number, since it uses less digits than its factorization.

83910525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118820 (or 1118815 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 83910525 is about 9160.2688279329. The cubic root of 83910525 is about 437.7963597467.

The spelling of 83910525 in words is "eighty-three million, nine hundred ten thousand, five hundred twenty-five".