2421273 has 16 divisors (see below), whose sum is σ = 3339072. Its totient is φ = 1560000.

The previous prime is 2421253. The next prime is 2421277. The reversal of 2421273 is 3721242.

It is a de Polignac number, because none of the positive numbers 2^k-2421273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2421277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18418 + ... + 18548.

It is an arithmetic number, because the mean of its divisors is an integer number (208692).

2^2421273 is an apocalyptic number.

It is an amenable number.

2421273 is a deficient number, since it is larger than the sum of its proper divisors (917799).

2421273 is a wasteful number, since it uses less digits than its factorization.

2421273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296.

The product of its digits is 672, while the sum is 21.

The square root of 2421273 is about 1556.0440225135. The cubic root of 2421273 is about 134.2810060541.

The spelling of 2421273 in words is "two million, four hundred twenty-one thousand, two hundred seventy-three".