252273747 has 16 divisors (see below), whose sum is σ = 369982080. Its totient is φ = 152890760.

The previous prime is 252273661. The next prime is 252273751. The reversal of 252273747 is 747372252.

It is not a de Polignac number, because 252273747 - 2¹⁴ = 252257363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252273787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27597 + ... + 35582.

It is an arithmetic number, because the mean of its divisors is an integer number (23123880).

Almost surely, 2^252273747 is an apocalyptic number.

252273747 is a deficient number, since it is larger than the sum of its proper divisors (117708333).

252273747 is an equidigital number, since it uses as much as digits as its factorization.

252273747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63215 (or 63193 counting only the distinct ones).

The product of its digits is 164640, while the sum is 39.

The square root of 252273747 is about 15883.1277461336. The cubic root of 252273747 is about 631.8645918778.

The spelling of 252273747 in words is "two hundred fifty-two million, two hundred seventy-three thousand, seven hundred forty-seven".