530736387 has 4 divisors (see below), whose sum is σ = 707648520. Its totient is φ = 353824256.

The previous prime is 530736377. The next prime is 530736407. The reversal of 530736387 is 783637035.

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

It is a cyclic number.

It is not a de Polignac number, because 530736387 - 2⁸ = 530736131 is a prime.

It is a super-2 number, since 2×530736387² = 563362224971627538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (530736307) 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, 88456062 + ... + 88456067.

It is an arithmetic number, because the mean of its divisors is an integer number (176912130).

Almost surely, 2^530736387 is an apocalyptic number.

530736387 is a deficient number, since it is larger than the sum of its proper divisors (176912133).

530736387 is a wasteful number, since it uses less digits than its factorization.

530736387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176912132.

The product of its (nonzero) digits is 317520, while the sum is 42.

The square root of 530736387 is about 23037.7166186235. The cubic root of 530736387 is about 809.6418611827.

The spelling of 530736387 in words is "five hundred thirty million, seven hundred thirty-six thousand, three hundred eighty-seven".