4531309225 has 9 divisors (see below), whose sum is σ = 5619240823. Its totient is φ = 3624778120.

The previous prime is 4531309213. The next prime is 4531309261. The reversal of 4531309225 is 5229031354.

The square root of 4531309225 is 67315.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1631271321 + 2900037904 = 40389^2 + 53852^2 .

It is not a de Polignac number, because 4531309225 - 2⁵ = 4531309193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 329844 + ... + 343306.

Almost surely, 2^4531309225 is an apocalyptic number.

4531309225 is the 67315-th square number.

4531309225 is the 33658-th centered octagonal number.

It is an amenable number.

4531309225 is a deficient number, since it is larger than the sum of its proper divisors (1087931598).

4531309225 is an frugal number, since it uses more digits than its factorization.

4531309225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26936 (or 13468 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The cubic root of 4531309225 is about 1654.7836964749.

Multiplying 4531309225 by its product of nonzero digits (32400), we get a square (146814418890000 = 12116700²).

The spelling of 4531309225 in words is "four billion, five hundred thirty-one million, three hundred nine thousand, two hundred twenty-five".