842251461 has 32 divisors (see below), whose sum is σ = 1194887808. Its totient is φ = 527005440.

The previous prime is 842251453. The next prime is 842251471. The reversal of 842251461 is 164152248.

It is a happy number.

It is not a de Polignac number, because 842251461 - 2³ = 842251453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842251441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 357690 + ... + 360036.

It is an arithmetic number, because the mean of its divisors is an integer number (37340244).

Almost surely, 2^842251461 is an apocalyptic number.

It is an amenable number.

842251461 is a deficient number, since it is larger than the sum of its proper divisors (352636347).

842251461 is a wasteful number, since it uses less digits than its factorization.

842251461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2501.

The product of its digits is 15360, while the sum is 33.

The square root of 842251461 is about 29021.5688928080. The cubic root of 842251461 is about 944.3810364038.

The spelling of 842251461 in words is "eight hundred forty-two million, two hundred fifty-one thousand, four hundred sixty-one".