213083655 has 16 divisors (see below), whose sum is σ = 341128800. Its totient is φ = 113579648.

The previous prime is 213083653. The next prime is 213083657. The reversal of 213083655 is 556380312.

213083655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (213083653) and next prime (213083657).

It is a cyclic number.

It is not a de Polignac number, because 213083655 - 2¹ = 213083653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213083653) 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, 35449 + ... + 41021.

It is an arithmetic number, because the mean of its divisors is an integer number (21320550).

Almost surely, 2^213083655 is an apocalyptic number.

213083655 is a deficient number, since it is larger than the sum of its proper divisors (128045145).

213083655 is a wasteful number, since it uses less digits than its factorization.

213083655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8130.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 213083655 is about 14597.3852110575. The cubic root of 213083655 is about 597.2874356943.

The spelling of 213083655 in words is "two hundred thirteen million, eighty-three thousand, six hundred fifty-five".