42263147 has 4 divisors (see below), whose sum is σ = 42681696. Its totient is φ = 41844600.

The previous prime is 42263119. The next prime is 42263149. The reversal of 42263147 is 74136224.

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 42263147 - 2¹² = 42259051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42263149) 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, 209123 + ... + 209324.

It is an arithmetic number, because the mean of its divisors is an integer number (10670424).

Almost surely, 2^42263147 is an apocalyptic number.

42263147 is a deficient number, since it is larger than the sum of its proper divisors (418549).

42263147 is a wasteful number, since it uses less digits than its factorization.

42263147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418548.

The product of its digits is 8064, while the sum is 29.

The square root of 42263147 is about 6501.0112290320. The cubic root of 42263147 is about 348.3271107354.

The spelling of 42263147 in words is "forty-two million, two hundred sixty-three thousand, one hundred forty-seven".