213974711 has 4 divisors (see below), whose sum is σ = 214022424. Its totient is φ = 213927000.

The previous prime is 213974707. The next prime is 213974723. The reversal of 213974711 is 117479312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213974711 - 2² = 213974707 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213974791) 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 in 3 ways as a sum of consecutive naturals, for example, 16340 + ... + 26361.

It is an arithmetic number, because the mean of its divisors is an integer number (53505606).

Almost surely, 2^213974711 is an apocalyptic number.

213974711 is a deficient number, since it is larger than the sum of its proper divisors (47713).

213974711 is an equidigital number, since it uses as much as digits as its factorization.

213974711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47712.

The product of its digits is 10584, while the sum is 35.

The square root of 213974711 is about 14627.8744525649. The cubic root of 213974711 is about 598.1188406370.

The spelling of 213974711 in words is "two hundred thirteen million, nine hundred seventy-four thousand, seven hundred eleven".