2657279 has 2 divisors, whose sum is σ = 2657280. Its totient is φ = 2657278.

The previous prime is 2657257. The next prime is 2657293. The reversal of 2657279 is 9727562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2657279 - 2⁸ = 2657023 is a prime.

It is a super-2 number, since 2×2657279² = 14122263367682, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2657779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328639 + 1328640.

It is an arithmetic number, because the mean of its divisors is an integer number (1328640).

2^2657279 is an apocalyptic number.

2657279 is a deficient number, since it is larger than the sum of its proper divisors (1).

2657279 is an equidigital number, since it uses as much as digits as its factorization.

2657279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 38.

The square root of 2657279 is about 1630.1162535230. The cubic root of 2657279 is about 138.5093374304.

The spelling of 2657279 in words is "two million, six hundred fifty-seven thousand, two hundred seventy-nine".