523032531 has 16 divisors (see below), whose sum is σ = 816442368. Its totient is φ = 291585600.

The previous prime is 523032529. The next prime is 523032541. The reversal of 523032531 is 135230325.

It is a happy number.

It is not a de Polignac number, because 523032531 - 2¹ = 523032529 is a prime.

It is a super-2 number, since 2×523032531² = 547126056968531922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (523032511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302875 + ... + 304596.

It is an arithmetic number, because the mean of its divisors is an integer number (51027648).

Almost surely, 2^523032531 is an apocalyptic number.

523032531 is a deficient number, since it is larger than the sum of its proper divisors (293409837).

523032531 is a wasteful number, since it uses less digits than its factorization.

523032531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607522.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 523032531 is about 22869.9044816545. The cubic root of 523032531 is about 805.7053247573.

Adding to 523032531 its reverse (135230325), we get a palindrome (658262856).

The spelling of 523032531 in words is "five hundred twenty-three million, thirty-two thousand, five hundred thirty-one".