213925834 has 8 divisors (see below), whose sum is σ = 320951268. Its totient is φ = 106942080.

The previous prime is 213925801. The next prime is 213925853. The reversal of 213925834 is 438529312.

213925834 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 205205625 + 8720209 = 14325^2 + 2953^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 213925793 and 213925802.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12474 + ... + 24154.

Almost surely, 2^213925834 is an apocalyptic number.

213925834 is a deficient number, since it is larger than the sum of its proper divisors (107025434).

213925834 is a wasteful number, since it uses less digits than its factorization.

213925834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20840.

The product of its digits is 51840, while the sum is 37.

The square root of 213925834 is about 14626.2036769628. The cubic root of 213925834 is about 598.0732955651.

The spelling of 213925834 in words is "two hundred thirteen million, nine hundred twenty-five thousand, eight hundred thirty-four".