531830523 has 32 divisors (see below), whose sum is σ = 827228160. Its totient is φ = 297649440.

The previous prime is 531830503. The next prime is 531830531. The reversal of 531830523 is 325038135.

It is not a de Polignac number, because 531830523 - 2⁵ = 531830491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (531830503) 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, 267748 + ... + 269726.

It is an arithmetic number, because the mean of its divisors is an integer number (25850880).

Almost surely, 2^531830523 is an apocalyptic number.

531830523 is a deficient number, since it is larger than the sum of its proper divisors (295397637).

531830523 is a wasteful number, since it uses less digits than its factorization.

531830523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 531830523 is about 23061.4510167942. The cubic root of 531830523 is about 810.1978498557.

Adding to 531830523 its reverse (325038135), we get a palindrome (856868658).

The spelling of 531830523 in words is "five hundred thirty-one million, eight hundred thirty thousand, five hundred twenty-three".