45891025 has 12 divisors (see below), whose sum is σ = 56992012. Its totient is φ = 36656640.

The previous prime is 45891017. The next prime is 45891077. The reversal of 45891025 is 52019854.

It can be written as a sum of positive squares in 6 ways, for example, as 1175056 + 44715969 = 1084^2 + 6687^2 .

It is not a de Polignac number, because 45891025 - 2³ = 45891017 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24937 + ... + 26713.

Almost surely, 2^45891025 is an apocalyptic number.

It is an amenable number.

45891025 is a deficient number, since it is larger than the sum of its proper divisors (11100987).

45891025 is a wasteful number, since it uses less digits than its factorization.

45891025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2820 (or 2815 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 45891025 is about 6774.2914758667. The cubic root of 45891025 is about 358.0216194303.

The spelling of 45891025 in words is "forty-five million, eight hundred ninety-one thousand, twenty-five".