42465291 has 16 divisors (see below), whose sum is σ = 64454400. Its totient is φ = 24617120.

The previous prime is 42465289. The next prime is 42465317. The reversal of 42465291 is 19256424.

42465291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42465291 - 2¹ = 42465289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (42465271) 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 15 ways as a sum of consecutive naturals, for example, 27216 + ... + 28733.

It is an arithmetic number, because the mean of its divisors is an integer number (4028400).

Almost surely, 2^42465291 is an apocalyptic number.

42465291 is a deficient number, since it is larger than the sum of its proper divisors (21989109).

42465291 is a wasteful number, since it uses less digits than its factorization.

42465291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55986.

The product of its digits is 17280, while the sum is 33.

The square root of 42465291 is about 6516.5398026867. The cubic root of 42465291 is about 348.8815754609.

The spelling of 42465291 in words is "forty-two million, four hundred sixty-five thousand, two hundred ninety-one".