2545060665 has 16 divisors (see below), whose sum is σ = 4653825408. Its totient is φ = 1163456256.

The previous prime is 2545060649. The next prime is 2545060703. The reversal of 2545060665 is 5660605452.

It is a happy number.

It is not a de Polignac number, because 2545060665 - 2⁴ = 2545060649 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 12119232 + ... + 12119441.

It is an arithmetic number, because the mean of its divisors is an integer number (290864088).

Almost surely, 2^2545060665 is an apocalyptic number.

It is an amenable number.

2545060665 is a deficient number, since it is larger than the sum of its proper divisors (2108764743).

2545060665 is a wasteful number, since it uses less digits than its factorization.

2545060665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24238688.

The product of its (nonzero) digits is 216000, while the sum is 39.

The square root of 2545060665 is about 50448.5942817042. The cubic root of 2545060665 is about 1365.3145325708.

The spelling of 2545060665 in words is "two billion, five hundred forty-five million, sixty thousand, six hundred sixty-five".