525031 has 4 divisors (see below), whose sum is σ = 565432. Its totient is φ = 484632.

The previous prime is 525029. The next prime is 525043. The reversal of 525031 is 130525.

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 525031 - 2¹ = 525029 is a prime.

It is a super-2 number, since 2×525031² = 551315101922, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 524996 and 525014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525001) 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, 20181 + ... + 20206.

It is an arithmetic number, because the mean of its divisors is an integer number (141358).

2⁵²⁵⁰³¹ is an apocalyptic number.

525031 is a deficient number, since it is larger than the sum of its proper divisors (40401).

525031 is a wasteful number, since it uses less digits than its factorization.

525031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40400.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 525031 is about 724.5902290260. The cubic root of 525031 is about 80.6730200886.

Adding to 525031 its reverse (130525), we get a palindrome (655556).

The spelling of 525031 in words is "five hundred twenty-five thousand, thirty-one".