252740841 has 8 divisors (see below), whose sum is σ = 338499840. Its totient is φ = 167737872.

The previous prime is 252740809. The next prime is 252740843. The reversal of 252740841 is 148047252.

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

It is not a de Polignac number, because 252740841 - 2⁵ = 252740809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252740843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188226 + ... + 189563.

It is an arithmetic number, because the mean of its divisors is an integer number (42312480).

Almost surely, 2^252740841 is an apocalyptic number.

It is an amenable number.

252740841 is a deficient number, since it is larger than the sum of its proper divisors (85758999).

252740841 is a wasteful number, since it uses less digits than its factorization.

252740841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378015.

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 252740841 is about 15897.8250399229. The cubic root of 252740841 is about 632.2543248512.

The spelling of 252740841 in words is "two hundred fifty-two million, seven hundred forty thousand, eight hundred forty-one".