506274861 has 8 divisors (see below), whose sum is σ = 676136800. Its totient is φ = 336964752.

The previous prime is 506274799. The next prime is 506274863. The reversal of 506274861 is 168472605.

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

It is not a de Polignac number, because 506274861 - 2²⁵ = 472720429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506274863) 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, 135811 + ... + 139488.

It is an arithmetic number, because the mean of its divisors is an integer number (84517100).

Almost surely, 2^506274861 is an apocalyptic number.

It is an amenable number.

506274861 is a deficient number, since it is larger than the sum of its proper divisors (169861939).

506274861 is a wasteful number, since it uses less digits than its factorization.

506274861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275915.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 506274861 is about 22500.5524598842. The cubic root of 506274861 is about 797.0069729720.

The spelling of 506274861 in words is "five hundred six million, two hundred seventy-four thousand, eight hundred sixty-one".