213496807 has 2 divisors, whose sum is σ = 213496808. Its totient is φ = 213496806.

The previous prime is 213496769. The next prime is 213496813. The reversal of 213496807 is 708694312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213496807 - 2¹⁵ = 213464039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213496807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213496847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106748403 + 106748404.

It is an arithmetic number, because the mean of its divisors is an integer number (106748404).

Almost surely, 2^213496807 is an apocalyptic number.

213496807 is a deficient number, since it is larger than the sum of its proper divisors (1).

213496807 is an equidigital number, since it uses as much as digits as its factorization.

213496807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 213496807 is about 14611.5299335833. The cubic root of 213496807 is about 597.6732171704.

The spelling of 213496807 in words is "two hundred thirteen million, four hundred ninety-six thousand, eight hundred seven".