42285213 has 16 divisors (see below), whose sum is σ = 62763840. Its totient is φ = 28136592.

The previous prime is 42285197. The next prime is 42285253. The reversal of 42285213 is 31258224.

It is not a de Polignac number, because 42285213 - 2⁴ = 42285197 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 (42285253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17295 + ... + 19587.

It is an arithmetic number, because the mean of its divisors is an integer number (3922740).

Almost surely, 2^42285213 is an apocalyptic number.

It is an amenable number.

42285213 is a deficient number, since it is larger than the sum of its proper divisors (20478627).

42285213 is a wasteful number, since it uses less digits than its factorization.

42285213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2985 (or 2979 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 42285213 is about 6502.7081281571. The cubic root of 42285213 is about 348.3877218453.

The spelling of 42285213 in words is "forty-two million, two hundred eighty-five thousand, two hundred thirteen".