506872757 has 4 divisors (see below), whose sum is σ = 507065760. Its totient is φ = 506679756.

The previous prime is 506872753. The next prime is 506872801. The reversal of 506872757 is 757278605.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 757278605 = 5 ⋅151455721.

It is a cyclic number.

It is not a de Polignac number, because 506872757 - 2² = 506872753 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 (506872753) 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, 92507 + ... + 97832.

It is an arithmetic number, because the mean of its divisors is an integer number (126766440).

Almost surely, 2^506872757 is an apocalyptic number.

It is an amenable number.

506872757 is a deficient number, since it is larger than the sum of its proper divisors (193003).

506872757 is a wasteful number, since it uses less digits than its factorization.

506872757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193002.

The product of its (nonzero) digits is 823200, while the sum is 47.

The square root of 506872757 is about 22513.8347910790. The cubic root of 506872757 is about 797.3205969554.

The spelling of 506872757 in words is "five hundred six million, eight hundred seventy-two thousand, seven hundred fifty-seven".