530179381 has 4 divisors (see below), whose sum is σ = 531542700. Its totient is φ = 528816064.

The previous prime is 530179373. The next prime is 530179469. The reversal of 530179381 is 183971035.

It is a happy number.

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 186076881 + 344102500 = 13641^2 + 18550^2 .

It is a cyclic number.

It is not a de Polignac number, because 530179381 - 2³ = 530179373 is a prime.

It is a super-2 number, since 2×530179381² = 562180352075086322, 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 530179381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530179301) 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, 681076 + ... + 681853.

It is an arithmetic number, because the mean of its divisors is an integer number (132885675).

Almost surely, 2^530179381 is an apocalyptic number.

It is an amenable number.

530179381 is a deficient number, since it is larger than the sum of its proper divisors (1363319).

530179381 is a wasteful number, since it uses less digits than its factorization.

530179381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363318.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 530179381 is about 23025.6244432154. The cubic root of 530179381 is about 809.3585232624.

The spelling of 530179381 in words is "five hundred thirty million, one hundred seventy-nine thousand, three hundred eighty-one".