213779241 has 24 divisors (see below), whose sum is σ = 350051520. Its totient is φ = 124631136.

The previous prime is 213779221. The next prime is 213779249. The reversal of 213779241 is 142977312.

It is not a de Polignac number, because 213779241 - 2¹³ = 213771049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213779196 and 213779205.

It is not an unprimeable number, because it can be changed into a prime (213779249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45861 + ... + 50306.

It is an arithmetic number, because the mean of its divisors is an integer number (14585480).

Almost surely, 2^213779241 is an apocalyptic number.

It is an amenable number.

213779241 is a deficient number, since it is larger than the sum of its proper divisors (136272279).

213779241 is a wasteful number, since it uses less digits than its factorization.

213779241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96205 (or 96202 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 213779241 is about 14621.1915041148. The cubic root of 213779241 is about 597.9366541402.

The spelling of 213779241 in words is "two hundred thirteen million, seven hundred seventy-nine thousand, two hundred forty-one".