36438625 has 8 divisors (see below), whose sum is σ = 45475560. Its totient is φ = 29150800.

The previous prime is 36438617. The next prime is 36438629. The reversal of 36438625 is 52683463.

It can be written as a sum of positive squares in 4 ways, for example, as 5329 + 36433296 = 73^2 + 6036^2 .

It is not a de Polignac number, because 36438625 - 2³ = 36438617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36438629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145630 + ... + 145879.

It is an arithmetic number, because the mean of its divisors is an integer number (5684445).

Almost surely, 2^36438625 is an apocalyptic number.

It is an amenable number.

36438625 is a deficient number, since it is larger than the sum of its proper divisors (9036935).

36438625 is an equidigital number, since it uses as much as digits as its factorization.

36438625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291524 (or 291514 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The square root of 36438625 is about 6036.4414185843. The cubic root of 36438625 is about 331.5283408708.

The spelling of 36438625 in words is "thirty-six million, four hundred thirty-eight thousand, six hundred twenty-five".