2545562477 has 2 divisors, whose sum is σ = 2545562478. Its totient is φ = 2545562476.

The previous prime is 2545562443. The next prime is 2545562479. The reversal of 2545562477 is 7742655452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1830213961 + 715348516 = 42781^2 + 26746^2 .

It is a cyclic number.

It is not a de Polignac number, because 2545562477 - 2¹² = 2545558381 is a prime.

Together with 2545562479, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2545562479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272781238 + 1272781239.

It is an arithmetic number, because the mean of its divisors is an integer number (1272781239).

Almost surely, 2^2545562477 is an apocalyptic number.

It is an amenable number.

2545562477 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545562477 is an equidigital number, since it uses as much as digits as its factorization.

2545562477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2352000, while the sum is 47.

The square root of 2545562477 is about 50453.5675349127. The cubic root of 2545562477 is about 1365.4042601231.

The spelling of 2545562477 in words is "two billion, five hundred forty-five million, five hundred sixty-two thousand, four hundred seventy-seven".