2545115297 has 2 divisors, whose sum is σ = 2545115298. Its totient is φ = 2545115296.

The previous prime is 2545115281. The next prime is 2545115329. The reversal of 2545115297 is 7925115452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1596721681 + 948393616 = 39959^2 + 30796^2 .

It is a cyclic number.

It is not a de Polignac number, because 2545115297 - 2⁴ = 2545115281 is a prime.

It is a super-2 number, since 2×2545115297² = 12955223750046796418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2545115267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272557648 + 1272557649.

It is an arithmetic number, because the mean of its divisors is an integer number (1272557649).

Almost surely, 2^2545115297 is an apocalyptic number.

It is an amenable number.

2545115297 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545115297 is an equidigital number, since it uses as much as digits as its factorization.

2545115297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 126000, while the sum is 41.

The square root of 2545115297 is about 50449.1357408628. The cubic root of 2545115297 is about 1365.3243017328.

The spelling of 2545115297 in words is "two billion, five hundred forty-five million, one hundred fifteen thousand, two hundred ninety-seven".