213411202541 has 2 divisors, whose sum is σ = 213411202542. Its totient is φ = 213411202540.

The previous prime is 213411202517. The next prime is 213411202553. The reversal of 213411202541 is 145202114312.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 212540362441 + 870840100 = 461021^2 + 29510^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213411202541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213411202541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213411202591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106705601270 + 106705601271.

It is an arithmetic number, because the mean of its divisors is an integer number (106705601271).

Almost surely, 2^213411202541 is an apocalyptic number.

It is an amenable number.

213411202541 is a deficient number, since it is larger than the sum of its proper divisors (1).

213411202541 is an equidigital number, since it uses as much as digits as its factorization.

213411202541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 213411202541 its reverse (145202114312), we get a palindrome (358613316853).

The spelling of 213411202541 in words is "two hundred thirteen billion, four hundred eleven million, two hundred two thousand, five hundred forty-one".