2473565 has 4 divisors (see below), whose sum is σ = 2968284. Its totient is φ = 1978848.

The previous prime is 2473547. The next prime is 2473567. The reversal of 2473565 is 5653742.

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 1435204 + 1038361 = 1198^2 + 1019^2 .

It is a cyclic number.

It is not a de Polignac number, because 2473565 - 2⁶ = 2473501 is a prime.

It is a super-2 number, since 2×2473565² = 12237047618450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2473567) 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, 247352 + ... + 247361.

It is an arithmetic number, because the mean of its divisors is an integer number (742071).

2^2473565 is an apocalyptic number.

It is an amenable number.

2473565 is a deficient number, since it is larger than the sum of its proper divisors (494719).

2473565 is an equidigital number, since it uses as much as digits as its factorization.

2473565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494718.

The product of its digits is 25200, while the sum is 32.

The square root of 2473565 is about 1572.7571331900. The cubic root of 2473565 is about 135.2408138920.

The spelling of 2473565 in words is "two million, four hundred seventy-three thousand, five hundred sixty-five".