611279 has 2 divisors, whose sum is σ = 611280. Its totient is φ = 611278.

The previous prime is 611263. The next prime is 611293. The reversal of 611279 is 972116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 611279 - 2⁴ = 611263 is a prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (611879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305639 + 305640.

It is an arithmetic number, because the mean of its divisors is an integer number (305640).

2⁶¹¹²⁷⁹ is an apocalyptic number.

611279 is a deficient number, since it is larger than the sum of its proper divisors (1).

611279 is an equidigital number, since it uses as much as digits as its factorization.

611279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756, while the sum is 26.

The square root of 611279 is about 781.8433346905. The cubic root of 611279 is about 84.8684933011.

The spelling of 611279 in words is "six hundred eleven thousand, two hundred seventy-nine".