2473945 has 4 divisors (see below), whose sum is σ = 2968740. Its totient is φ = 1979152.

The previous prime is 2473943. The next prime is 2473951. The reversal of 2473945 is 5493742.

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 635209 + 1838736 = 797^2 + 1356^2 .

It is a cyclic number.

It is not a de Polignac number, because 2473945 - 2¹ = 2473943 is a prime.

It is a super-2 number, since 2×2473945² = 12240807726050, 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 2473945.

It is not an unprimeable number, because it can be changed into a prime (2473943) 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, 247390 + ... + 247399.

It is an arithmetic number, because the mean of its divisors is an integer number (742185).

2^2473945 is an apocalyptic number.

It is an amenable number.

2473945 is a deficient number, since it is larger than the sum of its proper divisors (494795).

2473945 is an equidigital number, since it uses as much as digits as its factorization.

2473945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494794.

The product of its digits is 30240, while the sum is 34.

The square root of 2473945 is about 1572.8779355055. The cubic root of 2473945 is about 135.2477389682.

The spelling of 2473945 in words is "two million, four hundred seventy-three thousand, nine hundred forty-five".