2472865 has 8 divisors (see below), whose sum is σ = 3001320. Its totient is φ = 1955712.

The previous prime is 2472857. The next prime is 2472893. The reversal of 2472865 is 5682742.

It can be written as a sum of positive squares in 4 ways, for example, as 425104 + 2047761 = 652^2 + 1431^2 .

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 2472865 - 2³ = 2472857 is a prime.

It is a super-2 number, since 2×2472865² = 12230122616450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2472865.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2334 + ... + 3223.

It is an arithmetic number, because the mean of its divisors is an integer number (375165).

2^2472865 is an apocalyptic number.

It is an amenable number.

2472865 is a deficient number, since it is larger than the sum of its proper divisors (528455).

2472865 is an equidigital number, since it uses as much as digits as its factorization.

2472865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5651.

The product of its digits is 26880, while the sum is 34.

The square root of 2472865 is about 1572.5345783162. The cubic root of 2472865 is about 135.2280553160.

The spelling of 2472865 in words is "two million, four hundred seventy-two thousand, eight hundred sixty-five".