842253530 has 16 divisors (see below), whose sum is σ = 1517559624. Its totient is φ = 336567360.

The previous prime is 842253509. The next prime is 842253541. The reversal of 842253530 is 35352248.

842253530 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 4 ways, for example, as 460402849 + 381850681 = 21457^2 + 19541^2 .

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, 31037 + ... + 51456.

Almost surely, 2^842253530 is an apocalyptic number.

842253530 is a deficient number, since it is larger than the sum of its proper divisors (675306094).

842253530 is a wasteful number, since it uses less digits than its factorization.

842253530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83521.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 842253530 is about 29021.6045386881. The cubic root of 842253530 is about 944.3818096973.

The spelling of 842253530 in words is "eight hundred forty-two million, two hundred fifty-three thousand, five hundred thirty".