42611279 has 4 divisors (see below), whose sum is σ = 42703776. Its totient is φ = 42518784.

The previous prime is 42611251. The next prime is 42611321. The reversal of 42611279 is 97211624.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42611279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42611209) 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, 45554 + ... + 46479.

It is an arithmetic number, because the mean of its divisors is an integer number (10675944).

Almost surely, 2^42611279 is an apocalyptic number.

42611279 is a deficient number, since it is larger than the sum of its proper divisors (92497).

42611279 is an equidigital number, since it uses as much as digits as its factorization.

42611279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92496.

The product of its digits is 6048, while the sum is 32.

The square root of 42611279 is about 6527.7315355336. The cubic root of 42611279 is about 349.2809154698.

The spelling of 42611279 in words is "forty-two million, six hundred eleven thousand, two hundred seventy-nine".