213455959 has 2 divisors, whose sum is σ = 213455960. Its totient is φ = 213455958.

The previous prime is 213455953. The next prime is 213455971. The reversal of 213455959 is 959554312.

213455959 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213455959 - 2³ = 213455951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213455951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106727979 + 106727980.

It is an arithmetic number, because the mean of its divisors is an integer number (106727980).

Almost surely, 2^213455959 is an apocalyptic number.

213455959 is a deficient number, since it is larger than the sum of its proper divisors (1).

213455959 is an equidigital number, since it uses as much as digits as its factorization.

213455959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 243000, while the sum is 43.

The square root of 213455959 is about 14610.1320664804. The cubic root of 213455959 is about 597.6350974547.

The spelling of 213455959 in words is "two hundred thirteen million, four hundred fifty-five thousand, nine hundred fifty-nine".