213713773 has 24 divisors (see below), whose sum is σ = 267356544. Its totient is φ = 166341600.

The previous prime is 213713761. The next prime is 213713803. The reversal of 213713773 is 377317312.

It is not a de Polignac number, because 213713773 - 2⁹ = 213713261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213713573) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1415248 + ... + 1415398.

It is an arithmetic number, because the mean of its divisors is an integer number (11139856).

Almost surely, 2^213713773 is an apocalyptic number.

It is an amenable number.

213713773 is a deficient number, since it is larger than the sum of its proper divisors (53642771).

213713773 is a wasteful number, since it uses less digits than its factorization.

213713773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425 (or 274 counting only the distinct ones).

The product of its digits is 18522, while the sum is 34.

The square root of 213713773 is about 14618.9525274556. The cubic root of 213713773 is about 597.8756103061.

The spelling of 213713773 in words is "two hundred thirteen million, seven hundred thirteen thousand, seven hundred seventy-three".