2545474487 has 2 divisors, whose sum is σ = 2545474488. Its totient is φ = 2545474486.

The previous prime is 2545474411. The next prime is 2545474501. The reversal of 2545474487 is 7844745452.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2545474487 - 2¹⁴ = 2545458103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2545473487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272737243 + 1272737244.

It is an arithmetic number, because the mean of its divisors is an integer number (1272737244).

Almost surely, 2^2545474487 is an apocalyptic number.

2545474487 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545474487 is an equidigital number, since it uses as much as digits as its factorization.

2545474487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5017600, while the sum is 50.

The square root of 2545474487 is about 50452.6955375032. The cubic root of 2545474487 is about 1365.3885277383.

The spelling of 2545474487 in words is "two billion, five hundred forty-five million, four hundred seventy-four thousand, four hundred eighty-seven".