2497311697 has 2 divisors, whose sum is σ = 2497311698. Its totient is φ = 2497311696.

The previous prime is 2497311667. The next prime is 2497311769. The reversal of 2497311697 is 7961137942.

Together with next prime (2497311769) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1523809296 + 973502401 = 39036^2 + 31201^2 .

It is a cyclic number.

It is not a de Polignac number, because 2497311697 - 2¹¹ = 2497309649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2497311697.

It is not a weakly prime, because it can be changed into another prime (2497311647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1248655848 + 1248655849.

It is an arithmetic number, because the mean of its divisors is an integer number (1248655849).

Almost surely, 2^2497311697 is an apocalyptic number.

It is an amenable number.

2497311697 is a deficient number, since it is larger than the sum of its proper divisors (1).

2497311697 is an equidigital number, since it uses as much as digits as its factorization.

2497311697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 49.

The square root of 2497311697 is about 49973.1097391387. The cubic root of 2497311697 is about 1356.7221553515.

The spelling of 2497311697 in words is "two billion, four hundred ninety-seven million, three hundred eleven thousand, six hundred ninety-seven".