842551250 has 30 divisors (see below), whose sum is σ = 1581204009. Its totient is φ = 336610000.

The previous prime is 842551247. The next prime is 842551289. The reversal of 842551250 is 52155248.

842551250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 207561649 + 634989601 = 14407^2 + 25199^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=20525.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1025840 + ... + 1026660.

Almost surely, 2^842551250 is an apocalyptic number.

842551250 is a deficient number, since it is larger than the sum of its proper divisors (738652759).

842551250 is an frugal number, since it uses more digits than its factorization.

842551250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 32.

The square root of 842551250 is about 29026.7333677078. The cubic root of 842551250 is about 944.4930700326.

Multiplying 842551250 by its sum of digits (32), we get a square (26961640000 = 164200²).

The spelling of 842551250 in words is "eight hundred forty-two million, five hundred fifty-one thousand, two hundred fifty".