2545277265 has 24 divisors (see below), whose sum is σ = 4455503208. Its totient is φ = 1344038400.

The previous prime is 2545277197. The next prime is 2545277299. The reversal of 2545277265 is 5627725452.

2545277265 is a `hidden beast` number, since 2 + 54 + 527 + 72 + 6 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 727704576 + 1817572689 = 26976^2 + 42633^2 .

It is not a de Polignac number, because 2545277265 - 2¹⁰ = 2545276241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2545277265.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 275464 + ... + 284553.

It is an arithmetic number, because the mean of its divisors is an integer number (185645967).

Almost surely, 2^2545277265 is an apocalyptic number.

It is an amenable number.

2545277265 is a deficient number, since it is larger than the sum of its proper divisors (1910225943).

2545277265 is a wasteful number, since it uses less digits than its factorization.

2545277265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560129 (or 560126 counting only the distinct ones).

The product of its digits is 1176000, while the sum is 45.

The square root of 2545277265 is about 50450.7409757280. The cubic root of 2545277265 is about 1365.3532636369.

The spelling of 2545277265 in words is "two billion, five hundred forty-five million, two hundred seventy-seven thousand, two hundred sixty-five".