213195983 has 32 divisors (see below), whose sum is σ = 287519232. Its totient is φ = 152668800.

The previous prime is 213195977. The next prime is 213195991. The reversal of 213195983 is 389591312.

It is a cyclic number.

It is not a de Polignac number, because 213195983 - 2⁸ = 213195727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213195983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213195923) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 373088 + ... + 373658.

It is an arithmetic number, because the mean of its divisors is an integer number (8984976).

Almost surely, 2^213195983 is an apocalyptic number.

213195983 is a deficient number, since it is larger than the sum of its proper divisors (74323249).

213195983 is a wasteful number, since it uses less digits than its factorization.

213195983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975.

The product of its digits is 58320, while the sum is 41.

The square root of 213195983 is about 14601.2322425198. The cubic root of 213195983 is about 597.3923715034.

The spelling of 213195983 in words is "two hundred thirteen million, one hundred ninety-five thousand, nine hundred eighty-three".