42924851 has 2 divisors, whose sum is σ = 42924852. Its totient is φ = 42924850.

The previous prime is 42924839. The next prime is 42924883. The reversal of 42924851 is 15842924.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42924851 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42924151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21462425 + 21462426.

It is an arithmetic number, because the mean of its divisors is an integer number (21462426).

Almost surely, 2^42924851 is an apocalyptic number.

42924851 is a deficient number, since it is larger than the sum of its proper divisors (1).

42924851 is an equidigital number, since it uses as much as digits as its factorization.

42924851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 35.

The square root of 42924851 is about 6551.7059610456. The cubic root of 42924851 is about 350.1355964403.

The spelling of 42924851 in words is "forty-two million, nine hundred twenty-four thousand, eight hundred fifty-one".