2151319 has 2 divisors, whose sum is σ = 2151320. Its totient is φ = 2151318.

The previous prime is 2151301. The next prime is 2151329. The reversal of 2151319 is 9131512.

2151319 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 not a de Polignac number, because 2151319 - 2¹⁷ = 2020247 is a prime.

It is a super-2 number, since 2×2151319² = 9256346879522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2151319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2151329) 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, 1075659 + 1075660.

It is an arithmetic number, because the mean of its divisors is an integer number (1075660).

2^2151319 is an apocalyptic number.

2151319 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151319 is an equidigital number, since it uses as much as digits as its factorization.

2151319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 270, while the sum is 22.

The square root of 2151319 is about 1466.7375361666. The cubic root of 2151319 is about 129.0926762275.

It can be divided in two parts, 2 and 151319, that added together give a square (151321 = 389²).

The spelling of 2151319 in words is "two million, one hundred fifty-one thousand, three hundred nineteen".