42045713 has 2 divisors, whose sum is σ = 42045714. Its totient is φ = 42045712.

The previous prime is 42045697. The next prime is 42045719. The reversal of 42045713 is 31754024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40347904 + 1697809 = 6352^2 + 1303^2 .

It is a cyclic number.

It is not a de Polignac number, because 42045713 - 2⁴ = 42045697 is a prime.

It is not a weakly prime, because it can be changed into another prime (42045719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21022856 + 21022857.

It is an arithmetic number, because the mean of its divisors is an integer number (21022857).

Almost surely, 2^42045713 is an apocalyptic number.

It is an amenable number.

42045713 is a deficient number, since it is larger than the sum of its proper divisors (1).

42045713 is an equidigital number, since it uses as much as digits as its factorization.

42045713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 42045713 is about 6484.2665737923. The cubic root of 42045713 is about 347.7287295615.

Adding to 42045713 its reverse (31754024), we get a palindrome (73799737).

The spelling of 42045713 in words is "forty-two million, forty-five thousand, seven hundred thirteen".