213025323405 has 16 divisors (see below), whose sum is σ = 340846940160. Its totient is φ = 113611364928.

The previous prime is 213025323361. The next prime is 213025323449. The reversal of 213025323405 is 504323520312.

213025323405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (213025323361) and next prime (213025323449).

It is not a de Polignac number, because 213025323405 - 2¹³ = 213025315213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 997059 + ... + 1191711.

It is an arithmetic number, because the mean of its divisors is an integer number (21302933760).

Almost surely, 2^213025323405 is an apocalyptic number.

It is an amenable number.

213025323405 is a deficient number, since it is larger than the sum of its proper divisors (127821616755).

213025323405 is a wasteful number, since it uses less digits than its factorization.

213025323405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267620.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 213025323405 its reverse (504323520312), we get a palindrome (717348843717).

The spelling of 213025323405 in words is "two hundred thirteen billion, twenty-five million, three hundred twenty-three thousand, four hundred five".