213274847 has 2 divisors, whose sum is σ = 213274848. Its totient is φ = 213274846.

The previous prime is 213274769. The next prime is 213274889. The reversal of 213274847 is 748472312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213274847 - 2⁸ = 213274591 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213274847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213274447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106637423 + 106637424.

It is an arithmetic number, because the mean of its divisors is an integer number (106637424).

Almost surely, 2^213274847 is an apocalyptic number.

213274847 is a deficient number, since it is larger than the sum of its proper divisors (1).

213274847 is an equidigital number, since it uses as much as digits as its factorization.

213274847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75264, while the sum is 38.

The square root of 213274847 is about 14603.9325868069. The cubic root of 213274847 is about 597.4660235227.

The spelling of 213274847 in words is "two hundred thirteen million, two hundred seventy-four thousand, eight hundred forty-seven".