42511673 has 2 divisors, whose sum is σ = 42511674. Its totient is φ = 42511672.

The previous prime is 42511657. The next prime is 42511699. The reversal of 42511673 is 37611524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42354064 + 157609 = 6508^2 + 397^2 .

It is a cyclic number.

It is not a de Polignac number, because 42511673 - 2⁴ = 42511657 is a prime.

It is not a weakly prime, because it can be changed into another prime (42511643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21255836 + 21255837.

It is an arithmetic number, because the mean of its divisors is an integer number (21255837).

Almost surely, 2^42511673 is an apocalyptic number.

It is an amenable number.

42511673 is a deficient number, since it is larger than the sum of its proper divisors (1).

42511673 is an equidigital number, since it uses as much as digits as its factorization.

42511673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 29.

The square root of 42511673 is about 6520.0976219686. The cubic root of 42511673 is about 349.0085492551.

The spelling of 42511673 in words is "forty-two million, five hundred eleven thousand, six hundred seventy-three".