2497497502897 has 2 divisors, whose sum is σ = 2497497502898. Its totient is φ = 2497497502896.

The previous prime is 2497497502861. The next prime is 2497497502993. The reversal of 2497497502897 is 7982057947942.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2470630686976 + 26866815921 = 1571824^2 + 163911^2 .

It is a cyclic number.

It is not a de Polignac number, because 2497497502897 - 2³⁹ = 1947741689009 is a prime.

It is not a weakly prime, because it can be changed into another prime (2497497502847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1248748751448 + 1248748751449.

It is an arithmetic number, because the mean of its divisors is an integer number (1248748751449).

Almost surely, 2^{2497497502897} is an apocalyptic number.

It is an amenable number.

2497497502897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2497497502897 is an equidigital number, since it uses as much as digits as its factorization.

2497497502897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640120320, while the sum is 73.

The spelling of 2497497502897 in words is "two trillion, four hundred ninety-seven billion, four hundred ninety-seven million, five hundred two thousand, eight hundred ninety-seven".