531251875 has 120 divisors (see below), whose sum is σ = 897462720. Its totient is φ = 309960000.

The previous prime is 531251849. The next prime is 531251881. The reversal of 531251875 is 578152135.

It is a happy number.

It is not a de Polignac number, because 531251875 - 2⁹ = 531251363 is a prime.

Its product of digits (42000) is a multiple of the sum of its prime divisors (125).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 6400584 + ... + 6400666.

It is an arithmetic number, because the mean of its divisors is an integer number (7478856).

Almost surely, 2^531251875 is an apocalyptic number.

531251875 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

531251875 is a deficient number, since it is larger than the sum of its proper divisors (366210845).

531251875 is a wasteful number, since it uses less digits than its factorization.

531251875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 125 counting only the distinct ones).

The product of its digits is 42000, while the sum is 37.

The square root of 531251875 is about 23048.9018176572. The cubic root of 531251875 is about 809.9039031453.

It can be divided in two parts, 5312 and 51875, that multiplied together give a square (275560000 = 16600²).

The spelling of 531251875 in words is "five hundred thirty-one million, two hundred fifty-one thousand, eight hundred seventy-five".