90152583 has 4 divisors (see below), whose sum is σ = 120203448. Its totient is φ = 60101720.

The previous prime is 90152551. The next prime is 90152641. The reversal of 90152583 is 38525109.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90152583 - 2⁵ = 90152551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90150583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15025428 + ... + 15025433.

It is an arithmetic number, because the mean of its divisors is an integer number (30050862).

Almost surely, 2^90152583 is an apocalyptic number.

90152583 is a deficient number, since it is larger than the sum of its proper divisors (30050865).

90152583 is a wasteful number, since it uses less digits than its factorization.

90152583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30050864.

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

The square root of 90152583 is about 9494.8714051324. The cubic root of 90152583 is about 448.3935858117.

The spelling of 90152583 in words is "ninety million, one hundred fifty-two thousand, five hundred eighty-three".