507768481 has 4 divisors (see below), whose sum is σ = 553929264. Its totient is φ = 461607700.

The previous prime is 507768463. The next prime is 507768497. The reversal of 507768481 is 184867705.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 507768481 - 2⁹ = 507767969 is a prime.

It is a super-2 number, since 2×507768481² = 515657660594094722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (507768421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23080375 + ... + 23080396.

It is an arithmetic number, because the mean of its divisors is an integer number (138482316).

Almost surely, 2^507768481 is an apocalyptic number.

It is an amenable number.

507768481 is a deficient number, since it is larger than the sum of its proper divisors (46160783).

507768481 is a wasteful number, since it uses less digits than its factorization.

507768481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46160782.

The product of its (nonzero) digits is 376320, while the sum is 46.

The square root of 507768481 is about 22533.7187565657. The cubic root of 507768481 is about 797.7899842641.

The spelling of 507768481 in words is "five hundred seven million, seven hundred sixty-eight thousand, four hundred eighty-one".