252065243 has 4 divisors (see below), whose sum is σ = 253344960. Its totient is φ = 250785528.

The previous prime is 252065213. The next prime is 252065279. The reversal of 252065243 is 342560252.

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 252065243 - 2²² = 247870939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252065213) 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, 639563 + ... + 639956.

It is an arithmetic number, because the mean of its divisors is an integer number (63336240).

Almost surely, 2^252065243 is an apocalyptic number.

252065243 is a deficient number, since it is larger than the sum of its proper divisors (1279717).

252065243 is a wasteful number, since it uses less digits than its factorization.

252065243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279716.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 252065243 is about 15876.5626947397. The cubic root of 252065243 is about 631.6904654125.

The spelling of 252065243 in words is "two hundred fifty-two million, sixty-five thousand, two hundred forty-three".