507693121 has 8 divisors (see below), whose sum is σ = 549037440. Its totient is φ = 466676112.

The previous prime is 507693071. The next prime is 507693143. The reversal of 507693121 is 121396705.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 507693121 - 2⁷ = 507692993 is a prime.

It is a super-2 number, since 2×507693121² = 515504610221441282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (507693161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78595 + ... + 84808.

It is an arithmetic number, because the mean of its divisors is an integer number (68629680).

Almost surely, 2^507693121 is an apocalyptic number.

It is an amenable number.

507693121 is a deficient number, since it is larger than the sum of its proper divisors (41344319).

507693121 is a wasteful number, since it uses less digits than its factorization.

507693121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163655.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 507693121 is about 22532.0465337705. The cubic root of 507693121 is about 797.7505145517.

The spelling of 507693121 in words is "five hundred seven million, six hundred ninety-three thousand, one hundred twenty-one".