252350740 has 12 divisors (see below), whose sum is σ = 529936596. Its totient is φ = 100940288.

The previous prime is 252350731. The next prime is 252350741. The reversal of 252350740 is 47053252.

It can be written as a sum of positive squares in 2 ways, for example, as 94245264 + 158105476 = 9708^2 + 12574^2 .

It is a junction number, because it is equal to n+sod(n) for n = 252350699 and 252350708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252350741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6308749 + ... + 6308788.

It is an arithmetic number, because the mean of its divisors is an integer number (44161383).

Almost surely, 2^252350740 is an apocalyptic number.

252350740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252350740 is an abundant number, since it is smaller than the sum of its proper divisors (277585856).

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

252350740 is a wasteful number, since it uses less digits than its factorization.

252350740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12617546 (or 12617544 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 252350740 is about 15885.5512966973. The cubic root of 252350740 is about 631.9288662395.

The spelling of 252350740 in words is "two hundred fifty-two million, three hundred fifty thousand, seven hundred forty".