90313253 has 8 divisors (see below), whose sum is σ = 92020320. Its totient is φ = 88616880.

The previous prime is 90313241. The next prime is 90313259. The reversal of 90313253 is 35231309.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90313253 - 2¹⁸ = 90051109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90313259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15518 + ... + 20528.

It is an arithmetic number, because the mean of its divisors is an integer number (11502540).

Almost surely, 2^90313253 is an apocalyptic number.

It is an amenable number.

90313253 is a deficient number, since it is larger than the sum of its proper divisors (1707067).

90313253 is a wasteful number, since it uses less digits than its factorization.

90313253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5347.

The product of its (nonzero) digits is 2430, while the sum is 26.

The square root of 90313253 is about 9503.3285221548. The cubic root of 90313253 is about 448.6598035164.

The spelling of 90313253 in words is "ninety million, three hundred thirteen thousand, two hundred fifty-three".