2445855197 has 2 divisors, whose sum is σ = 2445855198. Its totient is φ = 2445855196.

The previous prime is 2445855163. The next prime is 2445855221. The reversal of 2445855197 is 7915585442.

2445855197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1618372441 + 827482756 = 40229^2 + 28766^2 .

It is a cyclic number.

It is not a de Polignac number, because 2445855197 - 2⁶ = 2445855133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2445855497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1222927598 + 1222927599.

It is an arithmetic number, because the mean of its divisors is an integer number (1222927599).

Almost surely, 2^2445855197 is an apocalyptic number.

It is an amenable number.

2445855197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2445855197 is an equidigital number, since it uses as much as digits as its factorization.

2445855197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016000, while the sum is 50.

The square root of 2445855197 is about 49455.5881271267. The cubic root of 2445855197 is about 1347.3391020227.

The spelling of 2445855197 in words is "two billion, four hundred forty-five million, eight hundred fifty-five thousand, one hundred ninety-seven".