215213419 has 2 divisors, whose sum is σ = 215213420. Its totient is φ = 215213418.

The previous prime is 215213407. The next prime is 215213441. The reversal of 215213419 is 914312512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 215213419 - 2¹¹ = 215211371 is a prime.

It is a super-2 number, since 2×215213419² = 92633631435339122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (215253419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107606709 + 107606710.

It is an arithmetic number, because the mean of its divisors is an integer number (107606710).

Almost surely, 2^215213419 is an apocalyptic number.

215213419 is a deficient number, since it is larger than the sum of its proper divisors (1).

215213419 is an equidigital number, since it uses as much as digits as its factorization.

215213419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 28.

The square root of 215213419 is about 14670.1540210047. The cubic root of 215213419 is about 599.2707983933.

The spelling of 215213419 in words is "two hundred fifteen million, two hundred thirteen thousand, four hundred nineteen".