215053343 has 4 divisors (see below), whose sum is σ = 226371960. Its totient is φ = 203734728.

The previous prime is 215053337. The next prime is 215053367. The reversal of 215053343 is 343350512.

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 215053343 - 2⁴ = 215053327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215053303) 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, 5659280 + ... + 5659317.

It is an arithmetic number, because the mean of its divisors is an integer number (56592990).

Almost surely, 2^215053343 is an apocalyptic number.

215053343 is a deficient number, since it is larger than the sum of its proper divisors (11318617).

215053343 is a wasteful number, since it uses less digits than its factorization.

215053343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11318616.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 215053343 is about 14664.6971670062. The cubic root of 215053343 is about 599.1221820933.

The spelling of 215053343 in words is "two hundred fifteen million, fifty-three thousand, three hundred forty-three".