213077405 has 16 divisors (see below), whose sum is σ = 282507264. Its totient is φ = 153457920.

The previous prime is 213077393. The next prime is 213077407. The reversal of 213077405 is 504770312.

It is not a de Polignac number, because 213077405 - 2¹⁴ = 213061021 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 (213077407) 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, 52541 + ... + 56450.

It is an arithmetic number, because the mean of its divisors is an integer number (17656704).

Almost surely, 2^213077405 is an apocalyptic number.

It is an amenable number.

213077405 is a deficient number, since it is larger than the sum of its proper divisors (69429859).

213077405 is a wasteful number, since it uses less digits than its factorization.

213077405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109036.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 213077405 is about 14597.1711300512. The cubic root of 213077405 is about 597.2815959175.

The spelling of 213077405 in words is "two hundred thirteen million, seventy-seven thousand, four hundred five".