213051353 has 4 divisors (see below), whose sum is σ = 213082368. Its totient is φ = 213020340.

The previous prime is 213051343. The next prime is 213051367. The reversal of 213051353 is 353150312.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 213051353 - 2¹⁸ = 212789209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213051343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101 + ... + 20642.

It is an arithmetic number, because the mean of its divisors is an integer number (53270592).

Almost surely, 2^213051353 is an apocalyptic number.

It is an amenable number.

213051353 is a deficient number, since it is larger than the sum of its proper divisors (31015).

213051353 is a wasteful number, since it uses less digits than its factorization.

213051353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31014.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 213051353 is about 14596.2787380894. The cubic root of 213051353 is about 597.2572526288.

The spelling of 213051353 in words is "two hundred thirteen million, fifty-one thousand, three hundred fifty-three".