2545265 has 4 divisors (see below), whose sum is σ = 3054324. Its totient is φ = 2036208.

The previous prime is 2545261. The next prime is 2545271. The reversal of 2545265 is 5625452.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 262144 + 2283121 = 512^2 + 1511^2 .

It is a cyclic number.

It is not a de Polignac number, because 2545265 - 2² = 2545261 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2545261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254522 + ... + 254531.

It is an arithmetic number, because the mean of its divisors is an integer number (763581).

2^2545265 is an apocalyptic number.

It is an amenable number.

2545265 is a deficient number, since it is larger than the sum of its proper divisors (509059).

2545265 is an equidigital number, since it uses as much as digits as its factorization.

2545265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509058.

The product of its digits is 12000, while the sum is 29.

The square root of 2545265 is about 1595.3886673786. The cubic root of 2545265 is about 136.5351070544.

The spelling of 2545265 in words is "two million, five hundred forty-five thousand, two hundred sixty-five".