252750140 has 12 divisors (see below), whose sum is σ = 530775336. Its totient is φ = 101100048.

The previous prime is 252750137. The next prime is 252750143. The reversal of 252750140 is 41057252.

252750140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (252750137) and next prime (252750143).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252750143) 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 3 ways as a sum of consecutive naturals, for example, 6318734 + ... + 6318773.

It is an arithmetic number, because the mean of its divisors is an integer number (44231278).

Almost surely, 2^252750140 is an apocalyptic number.

252750140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252750140 is an abundant number, since it is smaller than the sum of its proper divisors (278025196).

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

252750140 is a wasteful number, since it uses less digits than its factorization.

252750140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12637516 (or 12637514 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 252750140 is about 15898.1174986223. The cubic root of 252750140 is about 632.2620788557.

The spelling of 252750140 in words is "two hundred fifty-two million, seven hundred fifty thousand, one hundred forty".