90925573 has 4 divisors (see below), whose sum is σ = 93858688. Its totient is φ = 87992460.

The previous prime is 90925567. The next prime is 90925579. The reversal of 90925573 is 37552909.

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 an interprime number because it is at equal distance from previous prime (90925567) and next prime (90925579).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90925573 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 (90925579) 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 3 ways as a sum of consecutive naturals, for example, 1466511 + ... + 1466572.

It is an arithmetic number, because the mean of its divisors is an integer number (23464672).

Almost surely, 2^90925573 is an apocalyptic number.

It is an amenable number.

90925573 is a deficient number, since it is larger than the sum of its proper divisors (2933115).

90925573 is a wasteful number, since it uses less digits than its factorization.

90925573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2933114.

The product of its (nonzero) digits is 85050, while the sum is 40.

The square root of 90925573 is about 9535.4901814222. The cubic root of 90925573 is about 449.6714853348.

The spelling of 90925573 in words is "ninety million, nine hundred twenty-five thousand, five hundred seventy-three".