213898327 has 2 divisors, whose sum is σ = 213898328. Its totient is φ = 213898326.

The previous prime is 213898319. The next prime is 213898331. The reversal of 213898327 is 723898312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213898327 - 2³ = 213898319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213898337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106949163 + 106949164.

It is an arithmetic number, because the mean of its divisors is an integer number (106949164).

Almost surely, 2^213898327 is an apocalyptic number.

213898327 is a deficient number, since it is larger than the sum of its proper divisors (1).

213898327 is an equidigital number, since it uses as much as digits as its factorization.

213898327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 43.

The square root of 213898327 is about 14625.2633138689. The cubic root of 213898327 is about 598.0476606570.

The spelling of 213898327 in words is "two hundred thirteen million, eight hundred ninety-eight thousand, three hundred twenty-seven".