42351279 has 4 divisors (see below), whose sum is σ = 56468376. Its totient is φ = 28234184.

The previous prime is 42351271. The next prime is 42351289. The reversal of 42351279 is 97215324.

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 42351279 - 2³ = 42351271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42351271) 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, 7058544 + ... + 7058549.

It is an arithmetic number, because the mean of its divisors is an integer number (14117094).

Almost surely, 2^42351279 is an apocalyptic number.

42351279 is a deficient number, since it is larger than the sum of its proper divisors (14117097).

42351279 is a wasteful number, since it uses less digits than its factorization.

42351279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14117096.

The product of its digits is 15120, while the sum is 33.

The square root of 42351279 is about 6507.7860290578. The cubic root of 42351279 is about 348.5690666151.

The spelling of 42351279 in words is "forty-two million, three hundred fifty-one thousand, two hundred seventy-nine".