2474921 has 4 divisors (see below), whose sum is σ = 2605200. Its totient is φ = 2344644.

The previous prime is 2474917. The next prime is 2474929. The reversal of 2474921 is 1294742.

2474921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1294742 = 2 ⋅647371.

It is a cyclic number.

It is not a de Polignac number, because 2474921 - 2² = 2474917 is a prime.

It is a super-2 number, since 2×2474921² = 12250467912482, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2474929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65111 + ... + 65148.

It is an arithmetic number, because the mean of its divisors is an integer number (651300).

2^2474921 is an apocalyptic number.

It is an amenable number.

2474921 is a deficient number, since it is larger than the sum of its proper divisors (130279).

2474921 is a wasteful number, since it uses less digits than its factorization.

2474921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130278.

The product of its digits is 4032, while the sum is 29.

The square root of 2474921 is about 1573.1881642067. The cubic root of 2474921 is about 135.2655222304.

The spelling of 2474921 in words is "two million, four hundred seventy-four thousand, nine hundred twenty-one".