252780753 has 8 divisors (see below), whose sum is σ = 337122016. Its totient is φ = 168480000.

The previous prime is 252780751. The next prime is 252780779. The reversal of 252780753 is 357087252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 252780753 - 2¹ = 252780751 is a prime.

It is a super-3 number, since 3×252780753³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252780751) 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 7 ways as a sum of consecutive naturals, for example, 10353 + ... + 24753.

It is an arithmetic number, because the mean of its divisors is an integer number (42140252).

Almost surely, 2^252780753 is an apocalyptic number.

It is an amenable number.

252780753 is a deficient number, since it is larger than the sum of its proper divisors (84341263).

252780753 is a wasteful number, since it uses less digits than its factorization.

252780753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20255.

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 252780753 is about 15899.0802564174. The cubic root of 252780753 is about 632.2876042720.

The spelling of 252780753 in words is "two hundred fifty-two million, seven hundred eighty thousand, seven hundred fifty-three".