2549251193 has 2 divisors, whose sum is σ = 2549251194. Its totient is φ = 2549251192.

The previous prime is 2549251171. The next prime is 2549251213. The reversal of 2549251193 is 3911529452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2504802304 + 44448889 = 50048^2 + 6667^2 .

It is a cyclic number.

It is not a de Polignac number, because 2549251193 - 2¹² = 2549247097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2549251193.

It is not a weakly prime, because it can be changed into another prime (2549241193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1274625596 + 1274625597.

It is an arithmetic number, because the mean of its divisors is an integer number (1274625597).

Almost surely, 2^2549251193 is an apocalyptic number.

It is an amenable number.

2549251193 is a deficient number, since it is larger than the sum of its proper divisors (1).

2549251193 is an equidigital number, since it uses as much as digits as its factorization.

2549251193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 41.

The square root of 2549251193 is about 50490.1098533168. The cubic root of 2549251193 is about 1366.0634671080.

The spelling of 2549251193 in words is "two billion, five hundred forty-nine million, two hundred fifty-one thousand, one hundred ninety-three".