530870397 has 4 divisors (see below), whose sum is σ = 707827200. Its totient is φ = 353913596.

The previous prime is 530870369. The next prime is 530870399. The reversal of 530870397 is 793078035.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 530870397 - 2¹⁰ = 530869373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530870399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88478397 + ... + 88478402.

It is an arithmetic number, because the mean of its divisors is an integer number (176956800).

Almost surely, 2^530870397 is an apocalyptic number.

It is an amenable number.

530870397 is a deficient number, since it is larger than the sum of its proper divisors (176956803).

530870397 is a wasteful number, since it uses less digits than its factorization.

530870397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176956802.

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 530870397 is about 23040.6249264207. The cubic root of 530870397 is about 809.7099998278.

The spelling of 530870397 in words is "five hundred thirty million, eight hundred seventy thousand, three hundred ninety-seven".