42412517 has 4 divisors (see below), whose sum is σ = 48471456. Its totient is φ = 36353580.

The previous prime is 42412499. The next prime is 42412519. The reversal of 42412517 is 71521424.

42412517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42412517 - 2⁸ = 42412261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42412519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3029459 + ... + 3029472.

It is an arithmetic number, because the mean of its divisors is an integer number (12117864).

Almost surely, 2^42412517 is an apocalyptic number.

It is an amenable number.

42412517 is a deficient number, since it is larger than the sum of its proper divisors (6058939).

42412517 is an equidigital number, since it uses as much as digits as its factorization.

42412517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6058938.

The product of its digits is 2240, while the sum is 26.

The square root of 42412517 is about 6512.4893090123. The cubic root of 42412517 is about 348.7369906462.

The spelling of 42412517 in words is "forty-two million, four hundred twelve thousand, five hundred seventeen".