90201337 has 4 divisors (see below), whose sum is σ = 95507316. Its totient is φ = 84895360.

The previous prime is 90201313. The next prime is 90201343. The reversal of 90201337 is 73310209.

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

It can be written as a sum of positive squares in 2 ways, for example, as 38303721 + 51897616 = 6189^2 + 7204^2 .

It is a cyclic number.

It is not a de Polignac number, because 90201337 - 2²³ = 81812729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90204337) 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, 2652964 + ... + 2652997.

It is an arithmetic number, because the mean of its divisors is an integer number (23876829).

Almost surely, 2^90201337 is an apocalyptic number.

It is an amenable number.

90201337 is a deficient number, since it is larger than the sum of its proper divisors (5305979).

90201337 is a wasteful number, since it uses less digits than its factorization.

90201337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5305978.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 90201337 is about 9497.4384441280. The cubic root of 90201337 is about 448.4744008055.

The spelling of 90201337 in words is "ninety million, two hundred one thousand, three hundred thirty-seven".