252075740 has 24 divisors (see below), whose sum is σ = 604982112. Its totient is φ = 86425920.

The previous prime is 252075739. The next prime is 252075781. The reversal of 252075740 is 47570252.

It is a junction number, because it is equal to n+sod(n) for n = 252075697 and 252075706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 900131 + ... + 900410.

It is an arithmetic number, because the mean of its divisors is an integer number (25207588).

Almost surely, 2^252075740 is an apocalyptic number.

252075740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252075740 is an abundant number, since it is smaller than the sum of its proper divisors (352906372).

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

252075740 is a wasteful number, since it uses less digits than its factorization.

252075740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800557 (or 1800555 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 252075740 is about 15876.8932729297. The cubic root of 252075740 is about 631.6992339925.

The spelling of 252075740 in words is "two hundred fifty-two million, seventy-five thousand, seven hundred forty".