2576465 has 4 divisors (see below), whose sum is σ = 3091764. Its totient is φ = 2061168.

The previous prime is 2576459. The next prime is 2576467. The reversal of 2576465 is 5646752.

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 287296 + 2289169 = 536^2 + 1513^2 .

It is a cyclic number.

It is not a de Polignac number, because 2576465 - 2⁸ = 2576209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2576467) 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, 257642 + ... + 257651.

It is an arithmetic number, because the mean of its divisors is an integer number (772941).

2^2576465 is an apocalyptic number.

It is an amenable number.

2576465 is a deficient number, since it is larger than the sum of its proper divisors (515299).

2576465 is an equidigital number, since it uses as much as digits as its factorization.

2576465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515298.

The product of its digits is 50400, while the sum is 35.

The square root of 2576465 is about 1605.1370657984. The cubic root of 2576465 is about 137.0907279039.

The spelling of 2576465 in words is "two million, five hundred seventy-six thousand, four hundred sixty-five".