2520273 has 16 divisors (see below), whose sum is σ = 3931136. Its totient is φ = 1406160.

The previous prime is 2520263. The next prime is 2520277. The reversal of 2520273 is 3720252.

2520273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2520273 - 2⁴ = 2520257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2520277) 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 15 ways as a sum of consecutive naturals, for example, 493 + ... + 2298.

It is an arithmetic number, because the mean of its divisors is an integer number (245696).

2^2520273 is an apocalyptic number.

It is an amenable number.

2520273 is a deficient number, since it is larger than the sum of its proper divisors (1410863).

2520273 is a wasteful number, since it uses less digits than its factorization.

2520273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2844.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 2520273 is about 1587.5367712277. The cubic root of 2520273 is about 136.0867562082.

Subtracting from 2520273 its sum of digits (21), we obtain a palindrome (2520252).

The spelling of 2520273 in words is "two million, five hundred twenty thousand, two hundred seventy-three".