213813007 has 2 divisors, whose sum is σ = 213813008. Its totient is φ = 213813006.

The previous prime is 213812993. The next prime is 213813049. The reversal of 213813007 is 700318312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213813007 - 2¹¹ = 213810959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213813307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106906503 + 106906504.

It is an arithmetic number, because the mean of its divisors is an integer number (106906504).

Almost surely, 2^213813007 is an apocalyptic number.

213813007 is a deficient number, since it is larger than the sum of its proper divisors (1).

213813007 is an equidigital number, since it uses as much as digits as its factorization.

213813007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 213813007 is about 14622.3461523792. The cubic root of 213813007 is about 597.9681334458.

The spelling of 213813007 in words is "two hundred thirteen million, eight hundred thirteen thousand, seven".