90500515 has 64 divisors (see below), whose sum is σ = 139991040. Its totient is φ = 54743040.

The previous prime is 90500467. The next prime is 90500533. The reversal of 90500515 is 51500509.

90500515 = 2536² + 2537² + ... + 2549².

It is not a de Polignac number, because 90500515 - 2¹¹ = 90498467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90500515.

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, 932947 + ... + 933043.

It is an arithmetic number, because the mean of its divisors is an integer number (2187360).

Almost surely, 2^90500515 is an apocalyptic number.

90500515 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

90500515 is a deficient number, since it is larger than the sum of its proper divisors (49490525).

90500515 is a wasteful number, since it uses less digits than its factorization.

90500515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212.

The product of its (nonzero) digits is 1125, while the sum is 25.

The square root of 90500515 is about 9513.1758629808. The cubic root of 90500515 is about 448.9696839501.

The spelling of 90500515 in words is "ninety million, five hundred thousand, five hundred fifteen".