42294851 has 2 divisors, whose sum is σ = 42294852. Its totient is φ = 42294850.

The previous prime is 42294841. The next prime is 42294869. The reversal of 42294851 is 15849224.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42294851 is a prime.

It is a super-2 number, since 2×42294851² = 3577708842224402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42294841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21147425 + 21147426.

It is an arithmetic number, because the mean of its divisors is an integer number (21147426).

Almost surely, 2^42294851 is an apocalyptic number.

42294851 is a deficient number, since it is larger than the sum of its proper divisors (1).

42294851 is an equidigital number, since it uses as much as digits as its factorization.

42294851 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 42294851 is about 6503.4491617910. The cubic root of 42294851 is about 348.4141889839.

The spelling of 42294851 in words is "forty-two million, two hundred ninety-four thousand, eight hundred fifty-one".