531025 has 12 divisors (see below), whose sum is σ = 718704. Its totient is φ = 386000.

The previous prime is 531023. The next prime is 531043. The reversal of 531025 is 520135.

It is not a de Polignac number, because 531025 - 2¹ = 531023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 691 + ... + 1240.

It is an arithmetic number, because the mean of its divisors is an integer number (59892).

2⁵³¹⁰²⁵ is an apocalyptic number.

531025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

531025 is a deficient number, since it is larger than the sum of its proper divisors (187679).

531025 is a wasteful number, since it uses less digits than its factorization.

531025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952 (or 1947 counting only the distinct ones).

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

The square root of 531025 is about 728.7146217828. The cubic root of 531025 is about 80.9788594934.

It can be divided in two parts, 5310 and 25, that added together give a palindrome (5335).

The spelling of 531025 in words is "five hundred thirty-one thousand, twenty-five".