530273289 has 32 divisors (see below), whose sum is σ = 871444224. Its totient is φ = 279302400.

The previous prime is 530273281. The next prime is 530273327. The reversal of 530273289 is 982372035.

It is not a de Polignac number, because 530273289 - 2³ = 530273281 is a prime.

It is a super-2 number, since 2×530273289² = 562379522053755042, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (530273281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 354427 + ... + 355919.

It is an arithmetic number, because the mean of its divisors is an integer number (27232632).

Almost surely, 2^530273289 is an apocalyptic number.

It is an amenable number.

530273289 is a deficient number, since it is larger than the sum of its proper divisors (341170935).

530273289 is a wasteful number, since it uses less digits than its factorization.

530273289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 530273289 is about 23027.6635592932. The cubic root of 530273289 is about 809.4063063059.

The spelling of 530273289 in words is "five hundred thirty million, two hundred seventy-three thousand, two hundred eighty-nine".