2545355251 has 2 divisors, whose sum is σ = 2545355252. Its totient is φ = 2545355250.

The previous prime is 2545355249. The next prime is 2545355257. The reversal of 2545355251 is 1525535452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2545355251 - 2¹ = 2545355249 is a prime.

Together with 2545355249, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2545355251.

It is not a weakly prime, because it can be changed into another prime (2545355257) 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, 1272677625 + 1272677626.

It is an arithmetic number, because the mean of its divisors is an integer number (1272677626).

Almost surely, 2^2545355251 is an apocalyptic number.

2545355251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545355251 is an equidigital number, since it uses as much as digits as its factorization.

2545355251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 150000, while the sum is 37.

The square root of 2545355251 is about 50451.5138623213. The cubic root of 2545355251 is about 1365.3672080709.

The spelling of 2545355251 in words is "two billion, five hundred forty-five million, three hundred fifty-five thousand, two hundred fifty-one".