42517413 has 16 divisors (see below), whose sum is σ = 63581760. Its totient is φ = 28078128.

The previous prime is 42517381. The next prime is 42517429. The reversal of 42517413 is 31471524.

It is not a de Polignac number, because 42517413 - 2⁵ = 42517381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42517313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4470 + ... + 10247.

It is an arithmetic number, because the mean of its divisors is an integer number (3973860).

Almost surely, 2^42517413 is an apocalyptic number.

It is an amenable number.

42517413 is a deficient number, since it is larger than the sum of its proper divisors (21064347).

42517413 is a wasteful number, since it uses less digits than its factorization.

42517413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14833 (or 14827 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 42517413 is about 6520.5377845696. The cubic root of 42517413 is about 349.0242564619.

Adding to 42517413 its reverse (31471524), we get a palindrome (73988937).

It can be divided in two parts, 4251 and 7413, that added together give a square (11664 = 108²).

The spelling of 42517413 in words is "forty-two million, five hundred seventeen thousand, four hundred thirteen".