45512325 has 18 divisors (see below), whose sum is σ = 81518034. Its totient is φ = 24273120.

The previous prime is 45512323. The next prime is 45512329. The reversal of 45512325 is 52321554.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 13905441 + 31606884 = 3729^2 + 5622^2 .

It is not a de Polignac number, because 45512325 - 2¹ = 45512323 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45512323) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 100914 + ... + 101363.

Almost surely, 2^45512325 is an apocalyptic number.

45512325 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45512325 is a deficient number, since it is larger than the sum of its proper divisors (36005709).

45512325 is a wasteful number, since it uses less digits than its factorization.

45512325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202293 (or 202285 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 45512325 is about 6746.2823095391. The cubic root of 45512325 is about 357.0340809683.

Adding to 45512325 its reverse (52321554), we get a palindrome (97833879).

The spelling of 45512325 in words is "forty-five million, five hundred twelve thousand, three hundred twenty-five".