45201925 has 6 divisors (see below), whose sum is σ = 56050418. Its totient is φ = 36161520.

The previous prime is 45201913. The next prime is 45201971. The reversal of 45201925 is 52910254.

It can be written as a sum of positive squares in 3 ways, for example, as 16641 + 45185284 = 129^2 + 6722^2 .

It is not a de Polignac number, because 45201925 - 2²¹ = 43104773 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45201893 and 45201902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 904014 + ... + 904063.

Almost surely, 2^45201925 is an apocalyptic number.

It is an amenable number.

45201925 is a deficient number, since it is larger than the sum of its proper divisors (10848493).

45201925 is a wasteful number, since it uses less digits than its factorization.

45201925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808087 (or 1808082 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 45201925 is about 6723.2376873051. The cubic root of 45201925 is about 356.2205556869.

The spelling of 45201925 in words is "forty-five million, two hundred one thousand, nine hundred twenty-five".