213027349 has 4 divisors (see below), whose sum is σ = 218223180. Its totient is φ = 207831520.

The previous prime is 213027337. The next prime is 213027361. The reversal of 213027349 is 943720312.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (213027337) and next prime (213027361).

It can be written as a sum of positive squares in 2 ways, for example, as 116791249 + 96236100 = 10807^2 + 9810^2 .

It is a cyclic number.

It is not a de Polignac number, because 213027349 - 2⁵ = 213027317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213027349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213027379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2597854 + ... + 2597935.

It is an arithmetic number, because the mean of its divisors is an integer number (54555795).

Almost surely, 2^213027349 is an apocalyptic number.

It is an amenable number.

213027349 is a deficient number, since it is larger than the sum of its proper divisors (5195831).

213027349 is an equidigital number, since it uses as much as digits as its factorization.

213027349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5195830.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 213027349 is about 14595.4564505534. The cubic root of 213027349 is about 597.2348212582.

The spelling of 213027349 in words is "two hundred thirteen million, twenty-seven thousand, three hundred forty-nine".