42274151 has 2 divisors, whose sum is σ = 42274152. Its totient is φ = 42274150.

The previous prime is 42274147. The next prime is 42274163. The reversal of 42274151 is 15147224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42274151 - 2² = 42274147 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42274151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42274171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21137075 + 21137076.

It is an arithmetic number, because the mean of its divisors is an integer number (21137076).

Almost surely, 2^42274151 is an apocalyptic number.

42274151 is a deficient number, since it is larger than the sum of its proper divisors (1).

42274151 is an equidigital number, since it uses as much as digits as its factorization.

42274151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2240, while the sum is 26.

The square root of 42274151 is about 6501.8575038215. The cubic root of 42274151 is about 348.3573392693.

The spelling of 42274151 in words is "forty-two million, two hundred seventy-four thousand, one hundred fifty-one".