252647383 has 4 divisors (see below), whose sum is σ = 254256760. Its totient is φ = 251038008.

The previous prime is 252647357. The next prime is 252647393. The reversal of 252647383 is 383746252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 252647383 - 2²¹ = 250550231 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 (252647393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 804453 + ... + 804766.

It is an arithmetic number, because the mean of its divisors is an integer number (63564190).

Almost surely, 2^252647383 is an apocalyptic number.

252647383 is a deficient number, since it is larger than the sum of its proper divisors (1609377).

252647383 is a wasteful number, since it uses less digits than its factorization.

252647383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609376.

The product of its digits is 241920, while the sum is 40.

The square root of 252647383 is about 15894.8854352587. The cubic root of 252647383 is about 632.1763839992.

The spelling of 252647383 in words is "two hundred fifty-two million, six hundred forty-seven thousand, three hundred eighty-three".