2547247319 has 2 divisors, whose sum is σ = 2547247320. Its totient is φ = 2547247318.

The previous prime is 2547247291. The next prime is 2547247337. The reversal of 2547247319 is 9137427452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2547247319 - 2²⁸ = 2278811863 is a prime.

It is a super-2 number, since 2×2547247319² = 12976937808305375522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2547247319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2547247399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1273623659 + 1273623660.

It is an arithmetic number, because the mean of its divisors is an integer number (1273623660).

Almost surely, 2^2547247319 is an apocalyptic number.

2547247319 is a deficient number, since it is larger than the sum of its proper divisors (1).

2547247319 is an equidigital number, since it uses as much as digits as its factorization.

2547247319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 44.

The square root of 2547247319 is about 50470.2617290618. The cubic root of 2547247319 is about 1365.7054356140.

The spelling of 2547247319 in words is "two billion, five hundred forty-seven million, two hundred forty-seven thousand, three hundred nineteen".