2601311 has 2 divisors, whose sum is σ = 2601312. Its totient is φ = 2601310.

The previous prime is 2601301. The next prime is 2601331. The reversal of 2601311 is 1131062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2601311 - 2¹⁰ = 2600287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2601301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1300655 + 1300656.

It is an arithmetic number, because the mean of its divisors is an integer number (1300656).

2^2601311 is an apocalyptic number.

2601311 is a deficient number, since it is larger than the sum of its proper divisors (1).

2601311 is an equidigital number, since it uses as much as digits as its factorization.

2601311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2601311 is about 1612.8580222698. The cubic root of 2601311 is about 137.5299945584.

Adding to 2601311 its reverse (1131062), we get a palindrome (3732373).

The spelling of 2601311 in words is "two million, six hundred one thousand, three hundred eleven".