252642751 has 8 divisors (see below), whose sum is σ = 263416320. Its totient is φ = 242006688.

The previous prime is 252642739. The next prime is 252642769. The reversal of 252642751 is 157246252.

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

It is a cyclic number.

It is not a de Polignac number, because 252642751 - 2⁹ = 252642239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252642851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30616 + ... + 37981.

It is an arithmetic number, because the mean of its divisors is an integer number (32927040).

Almost surely, 2^252642751 is an apocalyptic number.

252642751 is a deficient number, since it is larger than the sum of its proper divisors (10773569).

252642751 is a wasteful number, since it uses less digits than its factorization.

252642751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68753.

The product of its digits is 33600, while the sum is 34.

The square root of 252642751 is about 15894.7397273438. The cubic root of 252642751 is about 632.1725205659.

The spelling of 252642751 in words is "two hundred fifty-two million, six hundred forty-two thousand, seven hundred fifty-one".