2545550465 has 8 divisors (see below), whose sum is σ = 3059176680. Its totient is φ = 2033429632.

The previous prime is 2545550453. The next prime is 2545550467. The reversal of 2545550465 is 5640555452.

It can be written as a sum of positive squares in 4 ways, for example, as 801569344 + 1743981121 = 28312^2 + 41761^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2545550465 - 2¹⁰ = 2545549441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2545550467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372620 + ... + 379389.

It is an arithmetic number, because the mean of its divisors is an integer number (382397085).

Almost surely, 2^2545550465 is an apocalyptic number.

It is an amenable number.

2545550465 is a deficient number, since it is larger than the sum of its proper divisors (513626215).

2545550465 is an equidigital number, since it uses as much as digits as its factorization.

2545550465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752691.

The product of its (nonzero) digits is 600000, while the sum is 41.

The square root of 2545550465 is about 50453.4484946272. The cubic root of 2545550465 is about 1365.4021124299.

The spelling of 2545550465 in words is "two billion, five hundred forty-five million, five hundred fifty thousand, four hundred sixty-five".