2546716397 has 2 divisors, whose sum is σ = 2546716398. Its totient is φ = 2546716396.

The previous prime is 2546716349. The next prime is 2546716411. The reversal of 2546716397 is 7936176452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2531498596 + 15217801 = 50314^2 + 3901^2 .

It is a cyclic number.

It is not a de Polignac number, because 2546716397 - 2¹⁰ = 2546715373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2546718397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1273358198 + 1273358199.

It is an arithmetic number, because the mean of its divisors is an integer number (1273358199).

Almost surely, 2^2546716397 is an apocalyptic number.

It is an amenable number.

2546716397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2546716397 is an equidigital number, since it uses as much as digits as its factorization.

2546716397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1905120, while the sum is 50.

The square root of 2546716397 is about 50465.0017041514. The cubic root of 2546716397 is about 1365.6105444952.

The spelling of 2546716397 in words is "two billion, five hundred forty-six million, seven hundred sixteen thousand, three hundred ninety-seven".