509063125 has 10 divisors (see below), whose sum is σ = 636126062. Its totient is φ = 407250000.

The previous prime is 509063089. The next prime is 509063141. The reversal of 509063125 is 521360905.

It can be written as a sum of positive squares in 5 ways, for example, as 132664324 + 376398801 = 11518^2 + 19401^2 .

It is a de Polignac number, because none of the positive numbers 2^k-509063125 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 406626 + ... + 407875.

Almost surely, 2^509063125 is an apocalyptic number.

It is an amenable number.

509063125 is a deficient number, since it is larger than the sum of its proper divisors (127062937).

509063125 is an frugal number, since it uses more digits than its factorization.

509063125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814521 (or 814506 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 509063125 is about 22562.4272852014. The cubic root of 509063125 is about 798.4674435674.

The spelling of 509063125 in words is "five hundred nine million, sixty-three thousand, one hundred twenty-five".