2231519 has 2 divisors, whose sum is σ = 2231520. Its totient is φ = 2231518.

The previous prime is 2231501. The next prime is 2231533. The reversal of 2231519 is 9151322.

2231519 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2231519 is a prime.

It is a super-3 number, since 3×2231519³ = 33336731835149914077, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2231494 and 2231503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231599) 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, 1115759 + 1115760.

It is an arithmetic number, because the mean of its divisors is an integer number (1115760).

2^2231519 is an apocalyptic number.

2231519 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231519 is an equidigital number, since it uses as much as digits as its factorization.

2231519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 540, while the sum is 23.

The square root of 2231519 is about 1493.8269645444. The cubic root of 2231519 is about 130.6773131278.

The spelling of 2231519 in words is "two million, two hundred thirty-one thousand, five hundred nineteen".