2555215193 has 2 divisors, whose sum is σ = 2555215194. Its totient is φ = 2555215192.

The previous prime is 2555215183. The next prime is 2555215213. The reversal of 2555215193 is 3915125552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1841096464 + 714118729 = 42908^2 + 26723^2 .

It is a cyclic number.

It is not a de Polignac number, because 2555215193 - 2¹² = 2555211097 is a prime.

It is not a weakly prime, because it can be changed into another prime (2555215163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277607596 + 1277607597.

It is an arithmetic number, because the mean of its divisors is an integer number (1277607597).

Almost surely, 2^2555215193 is an apocalyptic number.

It is an amenable number.

2555215193 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555215193 is an equidigital number, since it uses as much as digits as its factorization.

2555215193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67500, while the sum is 38.

The square root of 2555215193 is about 50549.1364219014. The cubic root of 2555215193 is about 1367.1279440410.

The spelling of 2555215193 in words is "two billion, five hundred fifty-five million, two hundred fifteen thousand, one hundred ninety-three".