42285513 has 4 divisors (see below), whose sum is σ = 56380688. Its totient is φ = 28190340.

The previous prime is 42285497. The next prime is 42285521. The reversal of 42285513 is 31558224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42285513 - 2⁴ = 42285497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42285913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7047583 + ... + 7047588.

It is an arithmetic number, because the mean of its divisors is an integer number (14095172).

Almost surely, 2^42285513 is an apocalyptic number.

It is an amenable number.

42285513 is a deficient number, since it is larger than the sum of its proper divisors (14095175).

42285513 is a wasteful number, since it uses less digits than its factorization.

42285513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14095174.

The product of its digits is 9600, while the sum is 30.

The square root of 42285513 is about 6502.7311954286. The cubic root of 42285513 is about 348.3885457430.

The spelling of 42285513 in words is "forty-two million, two hundred eighty-five thousand, five hundred thirteen".