42054737 has 2 divisors, whose sum is σ = 42054738. Its totient is φ = 42054736.

The previous prime is 42054713. The next prime is 42054757. The reversal of 42054737 is 73745024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41783296 + 271441 = 6464^2 + 521^2 .

It is a cyclic number.

It is not a de Polignac number, because 42054737 - 2⁶ = 42054673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42054757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21027368 + 21027369.

It is an arithmetic number, because the mean of its divisors is an integer number (21027369).

Almost surely, 2^42054737 is an apocalyptic number.

It is an amenable number.

42054737 is a deficient number, since it is larger than the sum of its proper divisors (1).

42054737 is an equidigital number, since it uses as much as digits as its factorization.

42054737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 42054737 is about 6484.9623746017. The cubic root of 42054737 is about 347.7536047063.

The spelling of 42054737 in words is "forty-two million, fifty-four thousand, seven hundred thirty-seven".