213004807 has 2 divisors, whose sum is σ = 213004808. Its totient is φ = 213004806.

The previous prime is 213004787. The next prime is 213004823. The reversal of 213004807 is 708400312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213004807 - 2¹¹ = 213002759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213004837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106502403 + 106502404.

It is an arithmetic number, because the mean of its divisors is an integer number (106502404).

Almost surely, 2^213004807 is an apocalyptic number.

213004807 is a deficient number, since it is larger than the sum of its proper divisors (1).

213004807 is an equidigital number, since it uses as much as digits as its factorization.

213004807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 213004807 is about 14594.6842035037. The cubic root of 213004807 is about 597.2137545700.

The spelling of 213004807 in words is "two hundred thirteen million, four thousand, eight hundred seven".