213599093 has 2 divisors, whose sum is σ = 213599094. Its totient is φ = 213599092.

The previous prime is 213599069. The next prime is 213599107. The reversal of 213599093 is 390995312.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213218404 + 380689 = 14602^2 + 617^2 .

It is a cyclic number.

It is not a de Polignac number, because 213599093 - 2⁸ = 213598837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213599093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213199093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106799546 + 106799547.

It is an arithmetic number, because the mean of its divisors is an integer number (106799547).

Almost surely, 2^213599093 is an apocalyptic number.

It is an amenable number.

213599093 is a deficient number, since it is larger than the sum of its proper divisors (1).

213599093 is an equidigital number, since it uses as much as digits as its factorization.

213599093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65610, while the sum is 41.

The square root of 213599093 is about 14615.0296954881. The cubic root of 213599093 is about 597.7686500454.

The spelling of 213599093 in words is "two hundred thirteen million, five hundred ninety-nine thousand, ninety-three".