2545110641 has 2 divisors, whose sum is σ = 2545110642. Its totient is φ = 2545110640.

The previous prime is 2545110577. The next prime is 2545110679. The reversal of 2545110641 is 1460115452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2042678416 + 502432225 = 45196^2 + 22415^2 .

It is a cyclic number.

It is not a de Polignac number, because 2545110641 - 2⁶ = 2545110577 is a prime.

It is not a weakly prime, because it can be changed into another prime (2545116641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272555320 + 1272555321.

It is an arithmetic number, because the mean of its divisors is an integer number (1272555321).

Almost surely, 2^2545110641 is an apocalyptic number.

It is an amenable number.

2545110641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545110641 is an equidigital number, since it uses as much as digits as its factorization.

2545110641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 2545110641 is about 50449.0895953535. The cubic root of 2545110641 is about 1365.3234691636.

The spelling of 2545110641 in words is "two billion, five hundred forty-five million, one hundred ten thousand, six hundred forty-one".