42612613 has 8 divisors (see below), whose sum is σ = 43721568. Its totient is φ = 41509104.

The previous prime is 42612599. The next prime is 42612677. The reversal of 42612613 is 31621624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-42612613 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 (42612313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17931 + ... + 20167.

It is an arithmetic number, because the mean of its divisors is an integer number (5465196).

Almost surely, 2^42612613 is an apocalyptic number.

42612613 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

42612613 is a deficient number, since it is larger than the sum of its proper divisors (1108955).

42612613 is a wasteful number, since it uses less digits than its factorization.

42612613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2723.

The product of its digits is 1728, while the sum is 25.

The square root of 42612613 is about 6527.8337141811. The cubic root of 42612613 is about 349.2845603254.

The spelling of 42612613 in words is "forty-two million, six hundred twelve thousand, six hundred thirteen".