530645242 has 16 divisors (see below), whose sum is σ = 848166120. Its totient is φ = 248122368.

The previous prime is 530645221. The next prime is 530645279. The reversal of 530645242 is 242546035.

It can be written as a sum of positive squares in 4 ways, for example, as 492440481 + 38204761 = 22191^2 + 6181^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44367 + ... + 55042.

Almost surely, 2^530645242 is an apocalyptic number.

530645242 is a deficient number, since it is larger than the sum of its proper divisors (317520878).

530645242 is a wasteful number, since it uses less digits than its factorization.

530645242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99585.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 530645242 is about 23035.7383645500. The cubic root of 530645242 is about 809.5955110963.

The spelling of 530645242 in words is "five hundred thirty million, six hundred forty-five thousand, two hundred forty-two".