530256766 has 24 divisors (see below), whose sum is σ = 898734960. Its totient is φ = 234089856.

The previous prime is 530256763. The next prime is 530256803. The reversal of 530256766 is 667652035.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530256763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26331 + ... + 41878.

It is an arithmetic number, because the mean of its divisors is an integer number (37447290).

Almost surely, 2^530256766 is an apocalyptic number.

530256766 is a deficient number, since it is larger than the sum of its proper divisors (368478194).

530256766 is a wasteful number, since it uses less digits than its factorization.

530256766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68260 (or 68247 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 40.

The square root of 530256766 is about 23027.3047923547. The cubic root of 530256766 is about 809.3978993457.

The spelling of 530256766 in words is "five hundred thirty million, two hundred fifty-six thousand, seven hundred sixty-six".