45007825 has 6 divisors (see below), whose sum is σ = 55809734. Its totient is φ = 36006240.

The previous prime is 45007819. The next prime is 45007841. The reversal of 45007825 is 52870054.

It can be written as a sum of positive squares in 3 ways, for example, as 4443664 + 40564161 = 2108^2 + 6369^2 .

It is not a de Polignac number, because 45007825 - 2³ = 45007817 is a prime.

It is a super-2 number, since 2×45007825² = 4051408622461250, which contains 22 as substring.

It is a Duffinian 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, 900132 + ... + 900181.

Almost surely, 2^45007825 is an apocalyptic number.

It is an amenable number.

45007825 is a deficient number, since it is larger than the sum of its proper divisors (10801909).

45007825 is a wasteful number, since it uses less digits than its factorization.

45007825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800323 (or 1800318 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 45007825 is about 6708.7871482109. The cubic root of 45007825 is about 355.7099460616.

Adding to 45007825 its reverse (52870054), we get a palindrome (97877879).

The spelling of 45007825 in words is "forty-five million, seven thousand, eight hundred twenty-five".