252858286 has 4 divisors (see below), whose sum is σ = 379287432. Its totient is φ = 126429142.

The previous prime is 252858271. The next prime is 252858299. The reversal of 252858286 is 682858252.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63214570 + ... + 63214573.

It is an arithmetic number, because the mean of its divisors is an integer number (94821858).

Almost surely, 2^252858286 is an apocalyptic number.

252858286 is a deficient number, since it is larger than the sum of its proper divisors (126429146).

252858286 is a wasteful number, since it uses less digits than its factorization.

252858286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126429145.

The product of its digits is 614400, while the sum is 46.

The square root of 252858286 is about 15901.5183551760. The cubic root of 252858286 is about 632.3522428214.

The spelling of 252858286 in words is "two hundred fifty-two million, eight hundred fifty-eight thousand, two hundred eighty-six".