2545550407 has 2 divisors, whose sum is σ = 2545550408. Its totient is φ = 2545550406.

The previous prime is 2545550393. The next prime is 2545550411. The reversal of 2545550407 is 7040555452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2545550407 - 2⁷ = 2545550279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2545550467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272775203 + 1272775204.

It is an arithmetic number, because the mean of its divisors is an integer number (1272775204).

Almost surely, 2^2545550407 is an apocalyptic number.

2545550407 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545550407 is an equidigital number, since it uses as much as digits as its factorization.

2545550407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140000, while the sum is 37.

The square root of 2545550407 is about 50453.4479198399. The cubic root of 2545550407 is about 1365.4021020597.

The spelling of 2545550407 in words is "two billion, five hundred forty-five million, five hundred fifty thousand, four hundred seven".