252780303250 has 32 divisors (see below), whose sum is σ = 484746326064. Its totient is φ = 98645968000.

The previous prime is 252780303247. The next prime is 252780303277. The reversal of 252780303250 is 52303087252.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 8237196081 + 244543107169 = 90759^2 + 494513^2 .

It is a super-2 number, since 2×252780303250² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12320497 + ... + 12340996.

Almost surely, 2^252780303250 is an apocalyptic number.

252780303250 is a deficient number, since it is larger than the sum of its proper divisors (231966022814).

252780303250 is a wasteful number, since it uses less digits than its factorization.

252780303250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24661551 (or 24661541 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 37.

The spelling of 252780303250 in words is "two hundred fifty-two billion, seven hundred eighty million, three hundred three thousand, two hundred fifty".