507228125 has 36 divisors (see below), whose sum is σ = 660012444. Its totient is φ = 389760000.

The previous prime is 507228119. The next prime is 507228149. The reversal of 507228125 is 521822705.

It is a happy number.

It can be written as a sum of positive squares in 18 ways, for example, as 404935129 + 102292996 = 20123^2 + 10114^2 .

It is not a de Polignac number, because 507228125 - 2¹⁰ = 507227101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 507228091 and 507228100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2628029 + ... + 2628221.

It is an arithmetic number, because the mean of its divisors is an integer number (18333679).

Almost surely, 2^507228125 is an apocalyptic number.

It is an amenable number.

507228125 is a deficient number, since it is larger than the sum of its proper divisors (152784319).

507228125 is an frugal number, since it uses more digits than its factorization.

507228125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 507228125 is about 22521.7256221631. The cubic root of 507228125 is about 797.5068869929.

The spelling of 507228125 in words is "five hundred seven million, two hundred twenty-eight thousand, one hundred twenty-five".