252280345 has 8 divisors (see below), whose sum is σ = 302976576. Its totient is φ = 201664176.

The previous prime is 252280333. The next prime is 252280361. The reversal of 252280345 is 543082252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252280345 - 2⁵ = 252280313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12847 + ... + 25876.

It is an arithmetic number, because the mean of its divisors is an integer number (37872072).

Almost surely, 2^252280345 is an apocalyptic number.

It is an amenable number.

252280345 is a deficient number, since it is larger than the sum of its proper divisors (50696231).

252280345 is a wasteful number, since it uses less digits than its factorization.

252280345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40031.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 252280345 is about 15883.3354494577. The cubic root of 252280345 is about 631.8701004524.

The spelling of 252280345 in words is "two hundred fifty-two million, two hundred eighty thousand, three hundred forty-five".