252861859252 has 24 divisors (see below), whose sum is σ = 467132876000. Its totient is φ = 119433458016.

The previous prime is 252861859247. The next prime is 252861859277. The reversal of 252861859252 is 252958168252.

It is a junction number, because it is equal to n+sod(n) for n = 252861859193 and 252861859202.

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, 4740138 + ... + 4793185.

Almost surely, 2^252861859252 is an apocalyptic number.

It is an amenable number.

252861859252 is a deficient number, since it is larger than the sum of its proper divisors (214271016748).

252861859252 is a wasteful number, since it uses less digits than its factorization.

252861859252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9533695 (or 9533693 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 55.

The spelling of 252861859252 in words is "two hundred fifty-two billion, eight hundred sixty-one million, eight hundred fifty-nine thousand, two hundred fifty-two".