213460655 has 16 divisors (see below), whose sum is σ = 261007104. Its totient is φ = 167546880.

The previous prime is 213460651. The next prime is 213460657. The reversal of 213460655 is 556064312.

It is not a de Polignac number, because 213460655 - 2² = 213460651 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 (213460651) 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, 184559 + ... + 185711.

It is an arithmetic number, because the mean of its divisors is an integer number (16312944).

Almost surely, 2^213460655 is an apocalyptic number.

213460655 is a deficient number, since it is larger than the sum of its proper divisors (47546449).

213460655 is a wasteful number, since it uses less digits than its factorization.

213460655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 213460655 is about 14610.2927759850. The cubic root of 213460655 is about 597.6394800509.

The spelling of 213460655 in words is "two hundred thirteen million, four hundred sixty thousand, six hundred fifty-five".