2473521 has 8 divisors (see below), whose sum is σ = 3404544. Its totient is φ = 1595760.

The previous prime is 2473511. The next prime is 2473529. The reversal of 2473521 is 1253742.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2473521 - 2¹¹ = 2471473 is a prime.

It is a super-2 number, since 2×2473521² = 12236612274882, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2473491 and 2473500.

It is not an unprimeable number, because it can be changed into a prime (2473529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13206 + ... + 13391.

It is an arithmetic number, because the mean of its divisors is an integer number (425568).

2^2473521 is an apocalyptic number.

It is an amenable number.

2473521 is a deficient number, since it is larger than the sum of its proper divisors (931023).

2473521 is a wasteful number, since it uses less digits than its factorization.

2473521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26631.

The product of its digits is 1680, while the sum is 24.

The square root of 2473521 is about 1572.7431449541. The cubic root of 2473521 is about 135.2400119953.

The spelling of 2473521 in words is "two million, four hundred seventy-three thousand, five hundred twenty-one".