90335613 has 4 divisors (see below), whose sum is σ = 120447488. Its totient is φ = 60223740.

The previous prime is 90335591. The next prime is 90335627. The reversal of 90335613 is 31653309.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 90335613 - 2¹² = 90331517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90330613) 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, 15055933 + ... + 15055938.

It is an arithmetic number, because the mean of its divisors is an integer number (30111872).

Almost surely, 2^90335613 is an apocalyptic number.

It is an amenable number.

90335613 is a deficient number, since it is larger than the sum of its proper divisors (30111875).

90335613 is a wasteful number, since it uses less digits than its factorization.

90335613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30111874.

The product of its (nonzero) digits is 7290, while the sum is 30.

The square root of 90335613 is about 9504.5048792665. The cubic root of 90335613 is about 448.6968272646.

The spelling of 90335613 in words is "ninety million, three hundred thirty-five thousand, six hundred thirteen".