2574665 has 4 divisors (see below), whose sum is σ = 3089604. Its totient is φ = 2059728.

The previous prime is 2574661. The next prime is 2574683. The reversal of 2574665 is 5664752.

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 861184 + 1713481 = 928^2 + 1309^2 .

It is a cyclic number.

It is not a de Polignac number, because 2574665 - 2² = 2574661 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 5⁷ + 7 + 4⁹ + 6⁴ + 6⁷ + 5⁹ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2574661) 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, 257462 + ... + 257471.

It is an arithmetic number, because the mean of its divisors is an integer number (772401).

2^2574665 is an apocalyptic number.

It is an amenable number.

2574665 is a deficient number, since it is larger than the sum of its proper divisors (514939).

2574665 is an equidigital number, since it uses as much as digits as its factorization.

2574665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514938.

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

The square root of 2574665 is about 1604.5762680533. The cubic root of 2574665 is about 137.0587951591.

The spelling of 2574665 in words is "two million, five hundred seventy-four thousand, six hundred sixty-five".