90507113 has 6 divisors (see below), whose sum is σ = 90891114. Its totient is φ = 90124496.

The previous prime is 90507107. The next prime is 90507161. The reversal of 90507113 is 31170509.

It can be written as a sum of positive squares in only one way, i.e., 52954729 + 37552384 = 7277^2 + 6128^2 .

It is not a de Polignac number, because 90507113 - 2¹⁰ = 90506089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90507163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 146381 + ... + 146997.

It is an arithmetic number, because the mean of its divisors is an integer number (15148519).

Almost surely, 2^90507113 is an apocalyptic number.

It is an amenable number.

90507113 is a deficient number, since it is larger than the sum of its proper divisors (384001).

90507113 is an frugal number, since it uses more digits than its factorization.

90507113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383 (or 1000 counting only the distinct ones).

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 90507113 is about 9513.5226388547. The cubic root of 90507113 is about 448.9805944957.

The spelling of 90507113 in words is "ninety million, five hundred seven thousand, one hundred thirteen".