213276047 has 2 divisors, whose sum is σ = 213276048. Its totient is φ = 213276046.

The previous prime is 213276031. The next prime is 213276059. The reversal of 213276047 is 740672312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213276047 - 2⁴ = 213276031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213276017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106638023 + 106638024.

It is an arithmetic number, because the mean of its divisors is an integer number (106638024).

Almost surely, 2^213276047 is an apocalyptic number.

213276047 is a deficient number, since it is larger than the sum of its proper divisors (1).

213276047 is an equidigital number, since it uses as much as digits as its factorization.

213276047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 213276047 is about 14603.9736715731. The cubic root of 213276047 is about 597.4671440766.

The spelling of 213276047 in words is "two hundred thirteen million, two hundred seventy-six thousand, forty-seven".