213745347 has 6 divisors (see below), whose sum is σ = 308743292. Its totient is φ = 142496892.

The previous prime is 213745319. The next prime is 213745349. The reversal of 213745347 is 743547312.

It is not a de Polignac number, because 213745347 - 2⁷ = 213745219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213745349) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11874733 + ... + 11874750.

Almost surely, 2^213745347 is an apocalyptic number.

213745347 is a deficient number, since it is larger than the sum of its proper divisors (94997945).

213745347 is a wasteful number, since it uses less digits than its factorization.

213745347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23749489 (or 23749486 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 213745347 is about 14620.0323871050. The cubic root of 213745347 is about 597.9050521692.

The spelling of 213745347 in words is "two hundred thirteen million, seven hundred forty-five thousand, three hundred forty-seven".