252439727 has 8 divisors (see below), whose sum is σ = 261340800. Its totient is φ = 243586080.

The previous prime is 252439721. The next prime is 252439729. The reversal of 252439727 is 727934252.

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 252439727 - 2⁴ = 252439711 is a prime.

It is a super-3 number, since 3×252439727³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252439721) 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, 848 + ... + 22485.

It is an arithmetic number, because the mean of its divisors is an integer number (32667600).

Almost surely, 2^252439727 is an apocalyptic number.

252439727 is a deficient number, since it is larger than the sum of its proper divisors (8901073).

252439727 is a wasteful number, since it uses less digits than its factorization.

252439727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23713.

The product of its digits is 211680, while the sum is 41.

The square root of 252439727 is about 15888.3519283782. The cubic root of 252439727 is about 632.0031370017.

The spelling of 252439727 in words is "two hundred fifty-two million, four hundred thirty-nine thousand, seven hundred twenty-seven".