530492257 has 4 divisors (see below), whose sum is σ = 532066756. Its totient is φ = 528917760.

The previous prime is 530492239. The next prime is 530492267. The reversal of 530492257 is 752294035.

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 57168721 + 473323536 = 7561^2 + 21756^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-530492257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530492267) 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, 786744 + ... + 787417.

It is an arithmetic number, because the mean of its divisors is an integer number (133016689).

Almost surely, 2^530492257 is an apocalyptic number.

It is an amenable number.

530492257 is a deficient number, since it is larger than the sum of its proper divisors (1574499).

530492257 is a wasteful number, since it uses less digits than its factorization.

530492257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574498.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 530492257 is about 23032.4175240030. The cubic root of 530492257 is about 809.5177015015.

The spelling of 530492257 in words is "five hundred thirty million, four hundred ninety-two thousand, two hundred fifty-seven".