2263139 has 2 divisors, whose sum is σ = 2263140. Its totient is φ = 2263138.

The previous prime is 2263117. The next prime is 2263141. The reversal of 2263139 is 9313622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2263139 - 2¹⁶ = 2197603 is a prime.

Together with 2263141, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2263169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1131569 + 1131570.

It is an arithmetic number, because the mean of its divisors is an integer number (1131570).

2^2263139 is an apocalyptic number.

2263139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2263139 is an equidigital number, since it uses as much as digits as its factorization.

2263139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 26.

The square root of 2263139 is about 1504.3732914407. The cubic root of 2263139 is about 131.2916409069.

The spelling of 2263139 in words is "two million, two hundred sixty-three thousand, one hundred thirty-nine".