252125500 has 48 divisors (see below), whose sum is σ = 600713568. Its totient is φ = 91680000.

The previous prime is 252125483. The next prime is 252125501. The reversal of 252125500 is 5521252.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252125501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17421 + ... + 28420.

It is an arithmetic number, because the mean of its divisors is an integer number (12514866).

Almost surely, 2^252125500 is an apocalyptic number.

252125500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252125500 is an abundant number, since it is smaller than the sum of its proper divisors (348588068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252125500 is a wasteful number, since it uses less digits than its factorization.

252125500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45871 (or 45859 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 252125500 is about 15878.4602528079. The cubic root of 252125500 is about 631.7407972753.

Adding to 252125500 its reverse (5521252), we get a palindrome (257646752).

The spelling of 252125500 in words is "two hundred fifty-two million, one hundred twenty-five thousand, five hundred".