213953371 has 4 divisors (see below), whose sum is σ = 214081000. Its totient is φ = 213825744.

The previous prime is 213953321. The next prime is 213953401. The reversal of 213953371 is 173359312.

It is a happy number.

213953371 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.

It is a cyclic number.

It is not a de Polignac number, because 213953371 - 2⁹ = 213952859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213953321) 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, 61266 + ... + 64663.

It is an arithmetic number, because the mean of its divisors is an integer number (53520250).

Almost surely, 2^213953371 is an apocalyptic number.

213953371 is a deficient number, since it is larger than the sum of its proper divisors (127629).

213953371 is a wasteful number, since it uses less digits than its factorization.

213953371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127628.

The product of its digits is 17010, while the sum is 34.

The square root of 213953371 is about 14627.1450050924. The cubic root of 213953371 is about 598.0989562305.

The spelling of 213953371 in words is "two hundred thirteen million, nine hundred fifty-three thousand, three hundred seventy-one".