42836851 has 2 divisors, whose sum is σ = 42836852. Its totient is φ = 42836850.

The previous prime is 42836837. The next prime is 42836873. The reversal of 42836851 is 15863824.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42836851 - 2⁵ = 42836819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42836851.

It is not a weakly prime, because it can be changed into another prime (42836551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21418425 + 21418426.

It is an arithmetic number, because the mean of its divisors is an integer number (21418426).

Almost surely, 2^42836851 is an apocalyptic number.

42836851 is a deficient number, since it is larger than the sum of its proper divisors (1).

42836851 is an equidigital number, since it uses as much as digits as its factorization.

42836851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 37.

The square root of 42836851 is about 6544.9867073967. The cubic root of 42836851 is about 349.8961623939.

The spelling of 42836851 in words is "forty-two million, eight hundred thirty-six thousand, eight hundred fifty-one".