42292417 has 2 divisors, whose sum is σ = 42292418. Its totient is φ = 42292416.

The previous prime is 42292403. The next prime is 42292421. The reversal of 42292417 is 71429224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21169201 + 21123216 = 4601^2 + 4596^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42292417 is a prime.

It is not a weakly prime, because it can be changed into another prime (42292427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21146208 + 21146209.

It is an arithmetic number, because the mean of its divisors is an integer number (21146209).

Almost surely, 2^42292417 is an apocalyptic number.

It is an amenable number.

42292417 is a deficient number, since it is larger than the sum of its proper divisors (1).

42292417 is an equidigital number, since it uses as much as digits as its factorization.

42292417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 31.

The square root of 42292417 is about 6503.2620276289. The cubic root of 42292417 is about 348.4075052987.

The spelling of 42292417 in words is "forty-two million, two hundred ninety-two thousand, four hundred seventeen".