2641465 has 8 divisors (see below), whose sum is σ = 3279240. Its totient is φ = 2040192.

The previous prime is 2641459. The next prime is 2641469. The reversal of 2641465 is 5641462.

It can be written as a sum of positive squares in 4 ways, for example, as 94249 + 2547216 = 307^2 + 1596^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2641465 - 2⁵ = 2641433 is a prime.

2641465 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2641469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8964 + ... + 9253.

It is an arithmetic number, because the mean of its divisors is an integer number (409905).

2^2641465 is an apocalyptic number.

It is an amenable number.

2641465 is a deficient number, since it is larger than the sum of its proper divisors (637775).

2641465 is a wasteful number, since it uses less digits than its factorization.

2641465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18251.

The product of its digits is 5760, while the sum is 28.

The square root of 2641465 is about 1625.2584409872. The cubic root of 2641465 is about 138.2340249486.

It can be divided in two parts, 264 and 1465, that multiplied together give a triangular number (386760 = T₈₇₉).

The spelling of 2641465 in words is "two million, six hundred forty-one thousand, four hundred sixty-five".