507561427 has 8 divisors (see below), whose sum is σ = 520242912. Its totient is φ = 494894400.

The previous prime is 507561391. The next prime is 507561433. The reversal of 507561427 is 724165705.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-507561427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (507561487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115138 + ... + 119464.

It is an arithmetic number, because the mean of its divisors is an integer number (65030364).

Almost surely, 2^507561427 is an apocalyptic number.

507561427 is a deficient number, since it is larger than the sum of its proper divisors (12681485).

507561427 is a wasteful number, since it uses less digits than its factorization.

507561427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7229.

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 507561427 is about 22529.1239732041. The cubic root of 507561427 is about 797.6815305946.

The spelling of 507561427 in words is "five hundred seven million, five hundred sixty-one thousand, four hundred twenty-seven".