2113901 has 2 divisors, whose sum is σ = 2113902. Its totient is φ = 2113900.

The previous prime is 2113879. The next prime is 2113913. The reversal of 2113901 is 1093112.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1974025 + 139876 = 1405^2 + 374^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113901 - 2¹⁴ = 2097517 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2113901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2113931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056950 + 1056951.

It is an arithmetic number, because the mean of its divisors is an integer number (1056951).

2^2113901 is an apocalyptic number.

It is an amenable number.

2113901 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113901 is an equidigital number, since it uses as much as digits as its factorization.

2113901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 2113901 is about 1453.9260641449. The cubic root of 2113901 is about 128.3398561179.

The spelling of 2113901 in words is "two million, one hundred thirteen thousand, nine hundred one".