425356219 has 2 divisors, whose sum is σ = 425356220. Its totient is φ = 425356218.

The previous prime is 425356213. The next prime is 425356223. The reversal of 425356219 is 912653524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425356219 - 2¹⁷ = 425225147 is a prime.

It is a super-2 number, since 2×425356219² = 361855826083951922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (425356213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212678109 + 212678110.

It is an arithmetic number, because the mean of its divisors is an integer number (212678110).

Almost surely, 2^425356219 is an apocalyptic number.

425356219 is a deficient number, since it is larger than the sum of its proper divisors (1).

425356219 is an equidigital number, since it uses as much as digits as its factorization.

425356219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 37.

The square root of 425356219 is about 20624.1658982854. The cubic root of 425356219 is about 752.0572961427.

The spelling of 425356219 in words is "four hundred twenty-five million, three hundred fifty-six thousand, two hundred nineteen".