42562147 has 4 divisors (see below), whose sum is σ = 44802280. Its totient is φ = 40322016.

The previous prime is 42562133. The next prime is 42562193. The reversal of 42562147 is 74126524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42562147 - 2⁷ = 42562019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42562547) 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, 1120038 + ... + 1120075.

It is an arithmetic number, because the mean of its divisors is an integer number (11200570).

Almost surely, 2^42562147 is an apocalyptic number.

42562147 is a deficient number, since it is larger than the sum of its proper divisors (2240133).

42562147 is a wasteful number, since it uses less digits than its factorization.

42562147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240132.

The product of its digits is 13440, while the sum is 31.

The square root of 42562147 is about 6523.9671213151. The cubic root of 42562147 is about 349.1466202767.

The spelling of 42562147 in words is "forty-two million, five hundred sixty-two thousand, one hundred forty-seven".