530491956 has 12 divisors (see below), whose sum is σ = 1237814592. Its totient is φ = 176830648.

The previous prime is 530491931. The next prime is 530491981. The reversal of 530491956 is 659194035.

It is an interprime number because it is at equal distance from previous prime (530491931) and next prime (530491981).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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, 22103820 + ... + 22103843.

It is an arithmetic number, because the mean of its divisors is an integer number (103151216).

Almost surely, 2^530491956 is an apocalyptic number.

It is an amenable number.

530491956 is an abundant number, since it is smaller than the sum of its proper divisors (707322636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

530491956 is a wasteful number, since it uses less digits than its factorization.

530491956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44207670 (or 44207668 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 530491956 is about 23032.4109897336. The cubic root of 530491956 is about 809.5175483954.

The spelling of 530491956 in words is "five hundred thirty million, four hundred ninety-one thousand, nine hundred fifty-six".