213271257597 has 8 divisors (see below), whose sum is σ = 293534634240. Its totient is φ = 137594359680.

The previous prime is 213271257593. The next prime is 213271257601. The reversal of 213271257597 is 795752172312.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (213271257593) and next prime (213271257601).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213271257597 - 2² = 213271257593 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213271257593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1146619572 + ... + 1146619757.

It is an arithmetic number, because the mean of its divisors is an integer number (36691829280).

Almost surely, 2^213271257597 is an apocalyptic number.

It is an amenable number.

213271257597 is a deficient number, since it is larger than the sum of its proper divisors (80263376643).

213271257597 is a wasteful number, since it uses less digits than its factorization.

213271257597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293239363.

The product of its digits is 1852200, while the sum is 51.

The spelling of 213271257597 in words is "two hundred thirteen billion, two hundred seventy-one million, two hundred fifty-seven thousand, five hundred ninety-seven".