4051279 has 2 divisors, whose sum is σ = 4051280. Its totient is φ = 4051278.

The previous prime is 4051277. The next prime is 4051309. The reversal of 4051279 is 9721504.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4051279 - 2¹ = 4051277 is a prime.

Together with 4051277, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4051273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2025639 + 2025640.

It is an arithmetic number, because the mean of its divisors is an integer number (2025640).

Almost surely, 2^4051279 is an apocalyptic number.

4051279 is a deficient number, since it is larger than the sum of its proper divisors (1).

4051279 is an equidigital number, since it uses as much as digits as its factorization.

4051279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 4051279 is about 2012.7789247704. The cubic root of 4051279 is about 159.4155631214.

The spelling of 4051279 in words is "four million, fifty-one thousand, two hundred seventy-nine".