252201340 has 24 divisors (see below), whose sum is σ = 529961040. Its totient is φ = 100816128.

The previous prime is 252201329. The next prime is 252201353. The reversal of 252201340 is 43102252.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 39619 + ... + 45541.

It is an arithmetic number, because the mean of its divisors is an integer number (22081710).

Almost surely, 2^252201340 is an apocalyptic number.

252201340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252201340 is an abundant number, since it is smaller than the sum of its proper divisors (277759700).

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

252201340 is a wasteful number, since it uses less digits than its factorization.

252201340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8061 (or 8059 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 252201340 is about 15880.8482141226. The cubic root of 252201340 is about 631.8041340116.

Adding to 252201340 its reverse (43102252), we get a palindrome (295303592).

The spelling of 252201340 in words is "two hundred fifty-two million, two hundred one thousand, three hundred forty".