252707443 has 12 divisors (see below), whose sum is σ = 265607640. Its totient is φ = 240356640.

The previous prime is 252707423. The next prime is 252707459. The reversal of 252707443 is 344707252.

It is not a de Polignac number, because 252707443 - 2²¹ = 250610291 is a prime.

It is a super-2 number, since 2×252707443² = 127722103495196498, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252707399 and 252707408.

It is not an unprimeable number, because it can be changed into a prime (252707423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54471 + ... + 58927.

It is an arithmetic number, because the mean of its divisors is an integer number (22133970).

Almost surely, 2^252707443 is an apocalyptic number.

252707443 is a deficient number, since it is larger than the sum of its proper divisors (12900197).

252707443 is an equidigital number, since it uses as much as digits as its factorization.

252707443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4578 (or 4547 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 34.

The square root of 252707443 is about 15896.7746099641. The cubic root of 252707443 is about 632.2264742408.

The spelling of 252707443 in words is "two hundred fifty-two million, seven hundred seven thousand, four hundred forty-three".