2545000631 has 2 divisors, whose sum is σ = 2545000632. Its totient is φ = 2545000630.

The previous prime is 2545000613. The next prime is 2545000723. The reversal of 2545000631 is 1360005452.

Together with previous prime (2545000613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2545000631 - 2⁶ = 2545000567 is a prime.

It is a super-2 number, since 2×2545000631² = 12954056423580796322, 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 2545000631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2545000231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272500315 + 1272500316.

It is an arithmetic number, because the mean of its divisors is an integer number (1272500316).

Almost surely, 2^2545000631 is an apocalyptic number.

2545000631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545000631 is an equidigital number, since it uses as much as digits as its factorization.

2545000631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2545000631 is about 50447.9992764827. Note that the first 3 decimals coincide. The cubic root of 2545000631 is about 1365.3037972750.

The spelling of 2545000631 in words is "two billion, five hundred forty-five million, six hundred thirty-one", and thus it is an aban number.