213915241 has 8 divisors (see below), whose sum is σ = 221833664. Its totient is φ = 206109360.

The previous prime is 213915197. The next prime is 213915253. The reversal of 213915241 is 142519312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213915241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213915041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24255 + ... + 31876.

It is an arithmetic number, because the mean of its divisors is an integer number (27729208).

Almost surely, 2^213915241 is an apocalyptic number.

It is an amenable number.

213915241 is a deficient number, since it is larger than the sum of its proper divisors (7918423).

213915241 is a wasteful number, since it uses less digits than its factorization.

213915241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56271.

The product of its digits is 2160, while the sum is 28.

The square root of 213915241 is about 14625.8415484375. The cubic root of 213915241 is about 598.0634237716.

The spelling of 213915241 in words is "two hundred thirteen million, nine hundred fifteen thousand, two hundred forty-one".