530649 has 12 divisors (see below), whose sum is σ = 876096. Its totient is φ = 303192.

The previous prime is 530641. The next prime is 530653. The reversal of 530649 is 946035.

It is a happy number.

It is not a de Polignac number, because 530649 - 2³ = 530641 is a prime.

It is a super-2 number, since 2×530649² = 563176722402, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (530641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4149 + ... + 4274.

It is an arithmetic number, because the mean of its divisors is an integer number (73008).

2⁵³⁰⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

530649 is a deficient number, since it is larger than the sum of its proper divisors (345447).

530649 is a wasteful number, since it uses less digits than its factorization.

530649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8436 (or 8433 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 530649 is about 728.4565875878. The cubic root of 530649 is about 80.9597422262.

The spelling of 530649 in words is "five hundred thirty thousand, six hundred forty-nine".