252545743 has 4 divisors (see below), whose sum is σ = 253132128. Its totient is φ = 251959360.

The previous prime is 252545719. The next prime is 252545749. The reversal of 252545743 is 347545252.

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 252545743 - 2⁹ = 252545231 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 (252545749) 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, 292546 + ... + 293407.

It is an arithmetic number, because the mean of its divisors is an integer number (63283032).

Almost surely, 2^252545743 is an apocalyptic number.

252545743 is a deficient number, since it is larger than the sum of its proper divisors (586385).

252545743 is an equidigital number, since it uses as much as digits as its factorization.

252545743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586384.

The product of its digits is 168000, while the sum is 37.

The square root of 252545743 is about 15891.6878587518. The cubic root of 252545743 is about 632.0915978104.

The spelling of 252545743 in words is "two hundred fifty-two million, five hundred forty-five thousand, seven hundred forty-three".