2547474539 has 2 divisors, whose sum is σ = 2547474540. Its totient is φ = 2547474538.

The previous prime is 2547474491. The next prime is 2547474541. The reversal of 2547474539 is 9354747452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2547474539 - 2⁸ = 2547474283 is a prime.

It is a super-3 number, since 3×2547474539³ (a number of 29 digits) contains 333 as substring.

Together with 2547474541, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2547474739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1273737269 + 1273737270.

It is an arithmetic number, because the mean of its divisors is an integer number (1273737270).

Almost surely, 2^2547474539 is an apocalyptic number.

2547474539 is a deficient number, since it is larger than the sum of its proper divisors (1).

2547474539 is an equidigital number, since it uses as much as digits as its factorization.

2547474539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4233600, while the sum is 50.

The square root of 2547474539 is about 50472.5127074133. The cubic root of 2547474539 is about 1365.7460423715.

The spelling of 2547474539 in words is "two billion, five hundred forty-seven million, four hundred seventy-four thousand, five hundred thirty-nine".