2465409 has 4 divisors (see below), whose sum is σ = 3287216. Its totient is φ = 1643604.

The previous prime is 2465381. The next prime is 2465431. The reversal of 2465409 is 9045642.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2465409 - 2⁹ = 2464897 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2465509) 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, 410899 + ... + 410904.

It is an arithmetic number, because the mean of its divisors is an integer number (821804).

2^2465409 is an apocalyptic number.

It is an amenable number.

2465409 is a deficient number, since it is larger than the sum of its proper divisors (821807).

2465409 is an equidigital number, since it uses as much as digits as its factorization.

2465409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821806.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2465409 is about 1570.1620935432. The cubic root of 2465409 is about 135.0920086083.

The spelling of 2465409 in words is "two million, four hundred sixty-five thousand, four hundred nine".