42613615 has 16 divisors (see below), whose sum is σ = 57710880. Its totient is φ = 29921920.

The previous prime is 42613609. The next prime is 42613633. The reversal of 42613615 is 51631624.

It is a de Polignac number, because none of the positive numbers 2^k-42613615 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11764 + ... + 14953.

It is an arithmetic number, because the mean of its divisors is an integer number (3606930).

Almost surely, 2^42613615 is an apocalyptic number.

42613615 is a deficient number, since it is larger than the sum of its proper divisors (15097265).

42613615 is a wasteful number, since it uses less digits than its factorization.

42613615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26762.

The product of its digits is 4320, while the sum is 28.

The square root of 42613615 is about 6527.9104620085. The cubic root of 42613615 is about 349.2872980155.

Subtracting 42613615 from its reverse (51631624), we obtain a square (9018009 = 3003²).

It can be divided in two parts, 426 and 13615, that added together give a palindrome (14041).

The spelling of 42613615 in words is "forty-two million, six hundred thirteen thousand, six hundred fifteen".