842652261 has 64 divisors (see below), whose sum is σ = 1480089600. Its totient is φ = 468115200.

The previous prime is 842652229. The next prime is 842652281. The reversal of 842652261 is 162256248.

It is a happy number.

842652261 is a `hidden beast` number, since 8 + 426 + 5 + 226 + 1 = 666.

It is not a de Polignac number, because 842652261 - 2⁵ = 842652229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842652221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 172525 + ... + 177341.

It is an arithmetic number, because the mean of its divisors is an integer number (23126400).

Almost surely, 2^842652261 is an apocalyptic number.

It is an amenable number.

842652261 is a deficient number, since it is larger than the sum of its proper divisors (637437339).

842652261 is a wasteful number, since it uses less digits than its factorization.

842652261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4887 (or 4881 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 842652261 is about 29028.4732805568. The cubic root of 842652261 is about 944.5308126931.

The spelling of 842652261 in words is "eight hundred forty-two million, six hundred fifty-two thousand, two hundred sixty-one".