90252083 has 4 divisors (see below), whose sum is σ = 91050888. Its totient is φ = 89453280.

The previous prime is 90252077. The next prime is 90252103. The reversal of 90252083 is 38025209.

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 90252083 - 2¹⁰ = 90251059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90252073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399233 + ... + 399458.

It is an arithmetic number, because the mean of its divisors is an integer number (22762722).

Almost surely, 2^90252083 is an apocalyptic number.

90252083 is a deficient number, since it is larger than the sum of its proper divisors (798805).

90252083 is a wasteful number, since it uses less digits than its factorization.

90252083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798804.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 90252083 is about 9500.1096309464. The cubic root of 90252083 is about 448.5584868298.

The spelling of 90252083 in words is "ninety million, two hundred fifty-two thousand, eighty-three".