531527 has 4 divisors (see below), whose sum is σ = 533400. Its totient is φ = 529656.

The previous prime is 531521. The next prime is 531547. The reversal of 531527 is 725135.

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 531527 - 2¹⁴ = 515143 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531521) 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, 413 + ... + 1110.

It is an arithmetic number, because the mean of its divisors is an integer number (133350).

2⁵³¹⁵²⁷ is an apocalyptic number.

531527 is a deficient number, since it is larger than the sum of its proper divisors (1873).

531527 is a wasteful number, since it uses less digits than its factorization.

531527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872.

The product of its digits is 1050, while the sum is 23.

The square root of 531527 is about 729.0589825247. The cubic root of 531527 is about 81.0043690170.

The spelling of 531527 in words is "five hundred thirty-one thousand, five hundred twenty-seven".