507097385 has 4 divisors (see below), whose sum is σ = 608516868. Its totient is φ = 405677904.

The previous prime is 507097373. The next prime is 507097391. The reversal of 507097385 is 583790705.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 583790705 = 5 ⋅116758141.

It can be written as a sum of positive squares in 2 ways, for example, as 95981209 + 411116176 = 9797^2 + 20276^2 .

It is a cyclic number.

It is not a de Polignac number, because 507097385 - 2¹⁰ = 507096361 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50709734 + ... + 50709743.

It is an arithmetic number, because the mean of its divisors is an integer number (152129217).

Almost surely, 2^507097385 is an apocalyptic number.

It is an amenable number.

507097385 is a deficient number, since it is larger than the sum of its proper divisors (101419483).

507097385 is a wasteful number, since it uses less digits than its factorization.

507097385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101419482.

The product of its (nonzero) digits is 264600, while the sum is 44.

The square root of 507097385 is about 22518.8229044060. The cubic root of 507097385 is about 797.4383609491.

The spelling of 507097385 in words is "five hundred seven million, ninety-seven thousand, three hundred eighty-five".