42334517 has 2 divisors, whose sum is σ = 42334518. Its totient is φ = 42334516.

The previous prime is 42334459. The next prime is 42334547. The reversal of 42334517 is 71543324.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31516996 + 10817521 = 5614^2 + 3289^2 .

It is a cyclic number.

It is not a de Polignac number, because 42334517 - 2²⁰ = 41285941 is a prime.

It is a super-2 number, since 2×42334517² = 3584422659246578, which contains 22 as substring.

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 42334517.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42334547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21167258 + 21167259.

It is an arithmetic number, because the mean of its divisors is an integer number (21167259).

Almost surely, 2^42334517 is an apocalyptic number.

It is an amenable number.

42334517 is a deficient number, since it is larger than the sum of its proper divisors (1).

42334517 is an equidigital number, since it uses as much as digits as its factorization.

42334517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 29.

The square root of 42334517 is about 6506.4980596324. The cubic root of 42334517 is about 348.5230744136.

The spelling of 42334517 in words is "forty-two million, three hundred thirty-four thousand, five hundred seventeen".