213034897 has 4 divisors (see below), whose sum is σ = 224247280. Its totient is φ = 201822516.

The previous prime is 213034889. The next prime is 213034907. The reversal of 213034897 is 798430312.

213034897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213034897 - 2³ = 213034889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213034817) 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, 5606163 + ... + 5606200.

It is an arithmetic number, because the mean of its divisors is an integer number (56061820).

Almost surely, 2^213034897 is an apocalyptic number.

It is an amenable number.

213034897 is a deficient number, since it is larger than the sum of its proper divisors (11212383).

213034897 is a wasteful number, since it uses less digits than its factorization.

213034897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11212382.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 213034897 is about 14595.7150218823. The cubic root of 213034897 is about 597.2418749303.

The spelling of 213034897 in words is "two hundred thirteen million, thirty-four thousand, eight hundred ninety-seven".