2215542313 has 2 divisors, whose sum is σ = 2215542314. Its totient is φ = 2215542312.

The previous prime is 2215542311. The next prime is 2215542337. The reversal of 2215542313 is 3132455122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2213984809 + 1557504 = 47053^2 + 1248^2 .

It is a cyclic number.

It is not a de Polignac number, because 2215542313 - 2¹ = 2215542311 is a prime.

Together with 2215542311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2215542311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107771156 + 1107771157.

It is an arithmetic number, because the mean of its divisors is an integer number (1107771157).

Almost surely, 2^2215542313 is an apocalyptic number.

It is an amenable number.

2215542313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215542313 is an equidigital number, since it uses as much as digits as its factorization.

2215542313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 28.

The square root of 2215542313 is about 47069.5476183912. The cubic root of 2215542313 is about 1303.6470200290.

Adding to 2215542313 its reverse (3132455122), we get a palindrome (5347997435).

The spelling of 2215542313 in words is "two billion, two hundred fifteen million, five hundred forty-two thousand, three hundred thirteen".