2051219 has 2 divisors, whose sum is σ = 2051220. Its totient is φ = 2051218.

The previous prime is 2051191. The next prime is 2051233. The reversal of 2051219 is 9121502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2051219 - 2⁸ = 2050963 is a prime.

It is a super-2 number, since 2×2051219² = 8414998771922, 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 2051219.

It is not a weakly prime, because it can be changed into another prime (2051249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025609 + 1025610.

It is an arithmetic number, because the mean of its divisors is an integer number (1025610).

2^2051219 is an apocalyptic number.

2051219 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051219 is an equidigital number, since it uses as much as digits as its factorization.

2051219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 2051219 is about 1432.2077363288. The cubic root of 2051219 is about 127.0585837557.

The spelling of 2051219 in words is "two million, fifty-one thousand, two hundred nineteen".