2545401763 has 2 divisors, whose sum is σ = 2545401764. Its totient is φ = 2545401762.

The previous prime is 2545401673. The next prime is 2545401767. The reversal of 2545401763 is 3671045452.

Together with previous prime (2545401673) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2545401763 - 2¹⁷ = 2545270691 is a prime.

It is a super-3 number, since 3×2545401763³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2545401767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272700881 + 1272700882.

It is an arithmetic number, because the mean of its divisors is an integer number (1272700882).

Almost surely, 2^2545401763 is an apocalyptic number.

2545401763 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545401763 is an equidigital number, since it uses as much as digits as its factorization.

2545401763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 2545401763 is about 50451.9748176422. The cubic root of 2545401763 is about 1365.3755246012.

The spelling of 2545401763 in words is "two billion, five hundred forty-five million, four hundred one thousand, seven hundred sixty-three".