2591401 has 2 divisors, whose sum is σ = 2591402. Its totient is φ = 2591400.

The previous prime is 2591389. The next prime is 2591419. The reversal of 2591401 is 1041952.

2591401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2576025 + 15376 = 1605^2 + 124^2 .

It is a cyclic number.

It is not a de Polignac number, because 2591401 - 2⁷ = 2591273 is a prime.

It is a Chen prime.

2591401 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2591441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1295700 + 1295701.

It is an arithmetic number, because the mean of its divisors is an integer number (1295701).

2^2591401 is an apocalyptic number.

It is an amenable number.

2591401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2591401 is an equidigital number, since it uses as much as digits as its factorization.

2591401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 2591401 is about 1609.7829046179. The cubic root of 2591401 is about 137.3551267506.

It can be divided in two parts, 2591 and 401, that added together give a palindrome (2992).

The spelling of 2591401 in words is "two million, five hundred ninety-one thousand, four hundred one".