213435967 has 2 divisors, whose sum is σ = 213435968. Its totient is φ = 213435966.

The previous prime is 213435953. The next prime is 213435983. The reversal of 213435967 is 769534312.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213435967 - 2⁷ = 213435839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213435947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106717983 + 106717984.

It is an arithmetic number, because the mean of its divisors is an integer number (106717984).

Almost surely, 2^213435967 is an apocalyptic number.

213435967 is a deficient number, since it is larger than the sum of its proper divisors (1).

213435967 is an equidigital number, since it uses as much as digits as its factorization.

213435967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 40.

The square root of 213435967 is about 14609.4478677327. The cubic root of 213435967 is about 597.6164389705.

The spelling of 213435967 in words is "two hundred thirteen million, four hundred thirty-five thousand, nine hundred sixty-seven".