45925591 has 4 divisors (see below), whose sum is σ = 46993672. Its totient is φ = 44857512.

The previous prime is 45925567. The next prime is 45925597. The reversal of 45925591 is 19552954.

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

It is a cyclic number.

It is not a de Polignac number, because 45925591 - 2⁵ = 45925559 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 (45925597) 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, 533976 + ... + 534061.

It is an arithmetic number, because the mean of its divisors is an integer number (11748418).

Almost surely, 2^45925591 is an apocalyptic number.

45925591 is a deficient number, since it is larger than the sum of its proper divisors (1068081).

45925591 is a wasteful number, since it uses less digits than its factorization.

45925591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068080.

The product of its digits is 81000, while the sum is 40.

The square root of 45925591 is about 6776.8422587515. The cubic root of 45925591 is about 358.1114864539. Note that the first 3 decimals are identical.

The spelling of 45925591 in words is "forty-five million, nine hundred twenty-five thousand, five hundred ninety-one".