213980597 has 4 divisors (see below), whose sum is σ = 214009920. Its totient is φ = 213951276.

The previous prime is 213980579. The next prime is 213980609. The reversal of 213980597 is 795089312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 213980597 - 2¹⁰ = 213979573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213980567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5858 + ... + 21500.

It is an arithmetic number, because the mean of its divisors is an integer number (53502480).

Almost surely, 2^213980597 is an apocalyptic number.

It is an amenable number.

213980597 is a deficient number, since it is larger than the sum of its proper divisors (29323).

213980597 is a wasteful number, since it uses less digits than its factorization.

213980597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29322.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 213980597 is about 14628.0756424077. The cubic root of 213980597 is about 598.1243249225.

The spelling of 213980597 in words is "two hundred thirteen million, nine hundred eighty thousand, five hundred ninety-seven".