2125219 has 2 divisors, whose sum is σ = 2125220. Its totient is φ = 2125218.

The previous prime is 2125181. The next prime is 2125229. The reversal of 2125219 is 9125212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2125219 is a prime.

It is a super-2 number, since 2×2125219² = 9033111595922, 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 2125219.

It is not a weakly prime, because it can be changed into another prime (2125229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062609 + 1062610.

It is an arithmetic number, because the mean of its divisors is an integer number (1062610).

2^2125219 is an apocalyptic number.

2125219 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125219 is an equidigital number, since it uses as much as digits as its factorization.

2125219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 22.

The square root of 2125219 is about 1457.8130881564. The cubic root of 2125219 is about 128.5684959355.

It can be divided in two parts, 212521 and 9, that multiplied together give a square (1912689 = 1383²).

The spelling of 2125219 in words is "two million, one hundred twenty-five thousand, two hundred nineteen".