530769965 has 32 divisors (see below), whose sum is σ = 728462592. Its totient is φ = 367488000.

The previous prime is 530769961. The next prime is 530769973. The reversal of 530769965 is 569967035.

530769965 = 470² + 471² + ... + 1192².

It is not a de Polignac number, because 530769965 - 2² = 530769961 is a prime.

It is a super-2 number, since 2×530769965² = 563433511492202450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530769961) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 303995 + ... + 305735.

It is an arithmetic number, because the mean of its divisors is an integer number (22764456).

Almost surely, 2^530769965 is an apocalyptic number.

530769965 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

530769965 is a deficient number, since it is larger than the sum of its proper divisors (197692627).

530769965 is a wasteful number, since it uses less digits than its factorization.

530769965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021.

The product of its (nonzero) digits is 1530900, while the sum is 50.

The square root of 530769965 is about 23038.4453685573. The cubic root of 530769965 is about 809.6589353095.

The spelling of 530769965 in words is "five hundred thirty million, seven hundred sixty-nine thousand, nine hundred sixty-five".