4312279 has 2 divisors, whose sum is σ = 4312280. Its totient is φ = 4312278.

The previous prime is 4312267. The next prime is 4312283. The reversal of 4312279 is 9722134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4312279 - 2²¹ = 2215127 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4312229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2156139 + 2156140.

It is an arithmetic number, because the mean of its divisors is an integer number (2156140).

Almost surely, 2^4312279 is an apocalyptic number.

4312279 is a deficient number, since it is larger than the sum of its proper divisors (1).

4312279 is an equidigital number, since it uses as much as digits as its factorization.

4312279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 28.

The square root of 4312279 is about 2076.6027545007. The cubic root of 4312279 is about 162.7679712702.

The spelling of 4312279 in words is "four million, three hundred twelve thousand, two hundred seventy-nine".