530399 has 4 divisors (see below), whose sum is σ = 535464. Its totient is φ = 525336.

The previous prime is 530393. The next prime is 530401. The reversal of 530399 is 993035.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 530399 - 2⁸ = 530143 is a prime.

It is a super-3 number, since 3×530399³ = 447640471479333597, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530393) 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, 2372 + ... + 2585.

It is an arithmetic number, because the mean of its divisors is an integer number (133866).

2⁵³⁰³⁹⁹ is an apocalyptic number.

530399 is a deficient number, since it is larger than the sum of its proper divisors (5065).

530399 is a wasteful number, since it uses less digits than its factorization.

530399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5064.

The product of its (nonzero) digits is 3645, while the sum is 29.

The square root of 530399 is about 728.2849716972. The cubic root of 530399 is about 80.9470262784.

It can be divided in two parts, 530 and 399, that added together give a palindrome (929).

The spelling of 530399 in words is "five hundred thirty thousand, three hundred ninety-nine".