252780303249 has 48 divisors (see below), whose sum is σ = 383686480320. Its totient is φ = 160142209920.

The previous prime is 252780303247. The next prime is 252780303277. The reversal of 252780303249 is 942303087252.

252780303249 is a `hidden beast` number, since 2 + 5 + 27 + 80 + 303 + 249 = 666.

It is not a de Polignac number, because 252780303249 - 2¹ = 252780303247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252780303247) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22570119 + ... + 22581315.

It is an arithmetic number, because the mean of its divisors is an integer number (7993468340).

Almost surely, 2^252780303249 is an apocalyptic number.

252780303249 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

252780303249 is a deficient number, since it is larger than the sum of its proper divisors (130906177071).

252780303249 is a wasteful number, since it uses less digits than its factorization.

252780303249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12590 (or 12587 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 252780303249 in words is "two hundred fifty-two billion, seven hundred eighty million, three hundred three thousand, two hundred forty-nine".