213743357 has 8 divisors (see below), whose sum is σ = 225334272. Its totient is φ = 202446000.

The previous prime is 213743353. The next prime is 213743359. The reversal of 213743357 is 753347312.

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

It is a cyclic number.

It is not a de Polignac number, because 213743357 - 2² = 213743353 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 (213743351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71894 + ... + 74807.

It is an arithmetic number, because the mean of its divisors is an integer number (28166784).

Almost surely, 2^213743357 is an apocalyptic number.

It is an amenable number.

213743357 is a deficient number, since it is larger than the sum of its proper divisors (11590915).

213743357 is a wasteful number, since it uses less digits than its factorization.

213743357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146779.

The product of its digits is 52920, while the sum is 35.

The square root of 213743357 is about 14619.9643296418. The cubic root of 213743357 is about 597.9031966361.

The spelling of 213743357 in words is "two hundred thirteen million, seven hundred forty-three thousand, three hundred fifty-seven".