530929261 has 4 divisors (see below), whose sum is σ = 562160412. Its totient is φ = 499698112.

The previous prime is 530929253. The next prime is 530929277. The reversal of 530929261 is 162929035.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 383768100 + 147161161 = 19590^2 + 12131^2 .

It is a cyclic number.

It is not a de Polignac number, because 530929261 - 2³ = 530929253 is a prime.

It is a super-2 number, since 2×530929261² = 563771760372012242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 530929261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530929211) 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, 15615550 + ... + 15615583.

It is an arithmetic number, because the mean of its divisors is an integer number (140540103).

Almost surely, 2^530929261 is an apocalyptic number.

It is an amenable number.

530929261 is a deficient number, since it is larger than the sum of its proper divisors (31231151).

530929261 is a wasteful number, since it uses less digits than its factorization.

530929261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31231150.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 530929261 is about 23041.9022869207. The cubic root of 530929261 is about 809.7399261577.

The spelling of 530929261 in words is "five hundred thirty million, nine hundred twenty-nine thousand, two hundred sixty-one".