509253967 has 4 divisors (see below), whose sum is σ = 511367296. Its totient is φ = 507140640.

The previous prime is 509253959. The next prime is 509253973. The reversal of 509253967 is 769352905.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 509253967 - 2³ = 509253959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509253947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1056303 + ... + 1056784.

It is an arithmetic number, because the mean of its divisors is an integer number (127841824).

Almost surely, 2^509253967 is an apocalyptic number.

509253967 is a deficient number, since it is larger than the sum of its proper divisors (2113329).

509253967 is a wasteful number, since it uses less digits than its factorization.

509253967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113328.

The product of its (nonzero) digits is 510300, while the sum is 46.

The square root of 509253967 is about 22566.6560881314. The cubic root of 509253967 is about 798.5672099018.

The spelling of 509253967 in words is "five hundred nine million, two hundred fifty-three thousand, nine hundred sixty-seven".