213061541 has 16 divisors (see below), whose sum is σ = 269606400. Its totient is φ = 163540080.

The previous prime is 213061529. The next prime is 213061549. The reversal of 213061541 is 145160312.

It is not a de Polignac number, because 213061541 - 2²² = 208867237 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213061549) 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, 15491 + ... + 25808.

It is an arithmetic number, because the mean of its divisors is an integer number (16850400).

Almost surely, 2^213061541 is an apocalyptic number.

It is an amenable number.

213061541 is a deficient number, since it is larger than the sum of its proper divisors (56544859).

213061541 is a wasteful number, since it uses less digits than its factorization.

213061541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41384.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 213061541 is about 14596.6277269786. The cubic root of 213061541 is about 597.2667726495.

The spelling of 213061541 in words is "two hundred thirteen million, sixty-one thousand, five hundred forty-one".