530756761 has 4 divisors (see below), whose sum is σ = 531838224. Its totient is φ = 529675300.

The previous prime is 530756741. The next prime is 530756777. The reversal of 530756761 is 167657035.

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.

It is a cyclic number.

It is not a de Polignac number, because 530756761 - 2⁹ = 530756249 is a prime.

It is a super-2 number, since 2×530756761² = 563405478694422242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530756731) 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, 539995 + ... + 540976.

It is an arithmetic number, because the mean of its divisors is an integer number (132959556).

Almost surely, 2^530756761 is an apocalyptic number.

It is an amenable number.

530756761 is a deficient number, since it is larger than the sum of its proper divisors (1081463).

530756761 is a wasteful number, since it uses less digits than its factorization.

530756761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081462.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 530756761 is about 23038.1588023002. The cubic root of 530756761 is about 809.6522212739.

The spelling of 530756761 in words is "five hundred thirty million, seven hundred fifty-six thousand, seven hundred sixty-one".