252279245 has 8 divisors (see below), whose sum is σ = 318668640. Its totient is φ = 191201040.

The previous prime is 252279227. The next prime is 252279253. The reversal of 252279245 is 542972252.

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

It is not a de Polignac number, because 252279245 - 2⁸ = 252278989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252279199 and 252279208.

It is a congruent 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, 1327691 + ... + 1327880.

It is an arithmetic number, because the mean of its divisors is an integer number (39833580).

Almost surely, 2^252279245 is an apocalyptic number.

It is an amenable number.

252279245 is a deficient number, since it is larger than the sum of its proper divisors (66389395).

252279245 is a wasteful number, since it uses less digits than its factorization.

252279245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655595.

The product of its digits is 100800, while the sum is 38.

The square root of 252279245 is about 15883.3008219324. The cubic root of 252279245 is about 631.8691820850.

The spelling of 252279245 in words is "two hundred fifty-two million, two hundred seventy-nine thousand, two hundred forty-five".