2547143497 has 2 divisors, whose sum is σ = 2547143498. Its totient is φ = 2547143496.

The previous prime is 2547143449. The next prime is 2547143503. The reversal of 2547143497 is 7943417452.

2547143497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1480402576 + 1066740921 = 38476^2 + 32661^2 .

It is a cyclic number.

It is not a de Polignac number, because 2547143497 - 2¹¹ = 2547141449 is a prime.

It is not a weakly prime, because it can be changed into another prime (2547143297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1273571748 + 1273571749.

It is an arithmetic number, because the mean of its divisors is an integer number (1273571749).

Almost surely, 2^2547143497 is an apocalyptic number.

It is an amenable number.

2547143497 is a deficient number, since it is larger than the sum of its proper divisors (1).

2547143497 is an equidigital number, since it uses as much as digits as its factorization.

2547143497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 46.

The square root of 2547143497 is about 50469.2331723001. The cubic root of 2547143497 is about 1365.6868806566.

The spelling of 2547143497 in words is "two billion, five hundred forty-seven million, one hundred forty-three thousand, four hundred ninety-seven".