2197252459 has 2 divisors, whose sum is σ = 2197252460. Its totient is φ = 2197252458.

The previous prime is 2197252433. The next prime is 2197252487. The reversal of 2197252459 is 9542527912.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2197252459 - 2⁵ = 2197252427 is a prime.

It is not a weakly prime, because it can be changed into another prime (2197252259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1098626229 + 1098626230.

It is an arithmetic number, because the mean of its divisors is an integer number (1098626230).

Almost surely, 2^2197252459 is an apocalyptic number.

2197252459 is a deficient number, since it is larger than the sum of its proper divisors (1).

2197252459 is an equidigital number, since it uses as much as digits as its factorization.

2197252459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453600, while the sum is 46.

The square root of 2197252459 is about 46874.8595624563. The cubic root of 2197252459 is about 1300.0497927674.

The spelling of 2197252459 in words is "two billion, one hundred ninety-seven million, two hundred fifty-two thousand, four hundred fifty-nine".