213455315 has 16 divisors (see below), whose sum is σ = 272032992. Its totient is φ = 160233984.

The previous prime is 213455309. The next prime is 213455317. The reversal of 213455315 is 513554312.

213455315 = T₄₅ + T₄₆ + ... + T₁₀₈₅.

213455315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 213455315 - 2¹⁰ = 213454291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213455317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25877 + ... + 33113.

It is an arithmetic number, because the mean of its divisors is an integer number (17002062).

Almost surely, 2^213455315 is an apocalyptic number.

213455315 is a deficient number, since it is larger than the sum of its proper divisors (58577677).

213455315 is a wasteful number, since it uses less digits than its factorization.

213455315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7606.

The product of its digits is 9000, while the sum is 29.

The square root of 213455315 is about 14610.1100269642. The cubic root of 213455315 is about 597.6344964292.

The spelling of 213455315 in words is "two hundred thirteen million, four hundred fifty-five thousand, three hundred fifteen".