530491693 has 16 divisors (see below), whose sum is σ = 558633600. Its totient is φ = 503092800.

The previous prime is 530491651. The next prime is 530491727. The reversal of 530491693 is 396194035.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-530491693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530498693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406480 + ... + 407782.

It is an arithmetic number, because the mean of its divisors is an integer number (34914600).

Almost surely, 2^530491693 is an apocalyptic number.

It is an amenable number.

530491693 is a deficient number, since it is larger than the sum of its proper divisors (28141907).

530491693 is a wasteful number, since it uses less digits than its factorization.

530491693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 530491693 is about 23032.4052803870. The cubic root of 530491693 is about 809.5174146182.

The spelling of 530491693 in words is "five hundred thirty million, four hundred ninety-one thousand, six hundred ninety-three".