213482287 has 2 divisors, whose sum is σ = 213482288. Its totient is φ = 213482286.

The previous prime is 213482263. The next prime is 213482317. The reversal of 213482287 is 782284312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213482287 - 2¹⁹ = 212957999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213482207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106741143 + 106741144.

It is an arithmetic number, because the mean of its divisors is an integer number (106741144).

Almost surely, 2^213482287 is an apocalyptic number.

213482287 is a deficient number, since it is larger than the sum of its proper divisors (1).

213482287 is an equidigital number, since it uses as much as digits as its factorization.

213482287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43008, while the sum is 37.

The square root of 213482287 is about 14611.0330572482. The cubic root of 213482287 is about 597.6596675347.

The spelling of 213482287 in words is "two hundred thirteen million, four hundred eighty-two thousand, two hundred eighty-seven".