530532780 has 24 divisors (see below), whose sum is σ = 1485491952. Its totient is φ = 141475392.

The previous prime is 530532767. The next prime is 530532797. The reversal of 530532780 is 87235035.

530532780 = 8140² + 8141² + ... + 8147².

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4421047 + ... + 4421166.

It is an arithmetic number, because the mean of its divisors is an integer number (61895498).

Almost surely, 2^530532780 is an apocalyptic number.

It is an amenable number.

530532780 is an abundant number, since it is smaller than the sum of its proper divisors (954959172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

530532780 is a wasteful number, since it uses less digits than its factorization.

530532780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8842225 (or 8842223 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 530532780 is about 23033.2972020942. The cubic root of 530532780 is about 809.5383133327.

The spelling of 530532780 in words is "five hundred thirty million, five hundred thirty-two thousand, seven hundred eighty".