251096842 has 16 divisors (see below), whose sum is σ = 401386752. Its totient is φ = 117533680.

The previous prime is 251096831. The next prime is 251096849. The reversal of 251096842 is 248690152.

It is not an unprimeable number, because it can be changed into a prime (251096849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55909 + ... + 60232.

It is an arithmetic number, because the mean of its divisors is an integer number (25086672).

Almost surely, 2^251096842 is an apocalyptic number.

251096842 is a deficient number, since it is larger than the sum of its proper divisors (150289910).

251096842 is a wasteful number, since it uses less digits than its factorization.

251096842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116213.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 251096842 is about 15846.0355294313. The cubic root of 251096842 is about 630.8804704260.

The spelling of 251096842 in words is "two hundred fifty-one million, ninety-six thousand, eight hundred forty-two".