213726041 has 4 divisors (see below), whose sum is σ = 224974800. Its totient is φ = 202477284.

The previous prime is 213726031. The next prime is 213726043. The reversal of 213726041 is 140627312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213726041 - 2⁶ = 213725977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213726041.

It is not an unprimeable number, because it can be changed into a prime (213726043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5624351 + ... + 5624388.

It is an arithmetic number, because the mean of its divisors is an integer number (56243700).

Almost surely, 2^213726041 is an apocalyptic number.

It is an amenable number.

213726041 is a deficient number, since it is larger than the sum of its proper divisors (11248759).

213726041 is a wasteful number, since it uses less digits than its factorization.

213726041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11248758.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 213726041 is about 14619.3721137400. The cubic root of 213726041 is about 597.8870502140.

The spelling of 213726041 in words is "two hundred thirteen million, seven hundred twenty-six thousand, forty-one".