2497215197 has 2 divisors, whose sum is σ = 2497215198. Its totient is φ = 2497215196.

The previous prime is 2497215131. The next prime is 2497215209. The reversal of 2497215197 is 7915127942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1815952996 + 681262201 = 42614^2 + 26101^2 .

It is a cyclic number.

It is not a de Polignac number, because 2497215197 - 2¹⁰ = 2497214173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2497215997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1248607598 + 1248607599.

It is an arithmetic number, because the mean of its divisors is an integer number (1248607599).

Almost surely, 2^2497215197 is an apocalyptic number.

It is an amenable number.

2497215197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2497215197 is an equidigital number, since it uses as much as digits as its factorization.

2497215197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 47.

The square root of 2497215197 is about 49972.1442105499. The cubic root of 2497215197 is about 1356.7046798432.

The spelling of 2497215197 in words is "two billion, four hundred ninety-seven million, two hundred fifteen thousand, one hundred ninety-seven".