2520873 has 6 divisors (see below), whose sum is σ = 3641274. Its totient is φ = 1680576.

The previous prime is 2520853. The next prime is 2520887. The reversal of 2520873 is 3780252.

It can be written as a sum of positive squares in only one way, i.e., 2518569 + 2304 = 1587^2 + 48^2 .

It is not a de Polignac number, because 2520873 - 2⁵ = 2520841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2520853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 140040 + ... + 140057.

It is an arithmetic number, because the mean of its divisors is an integer number (606879).

2^2520873 is an apocalyptic number.

It is an amenable number.

2520873 is a deficient number, since it is larger than the sum of its proper divisors (1120401).

2520873 is a wasteful number, since it uses less digits than its factorization.

2520873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280103 (or 280100 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 2520873 is about 1587.7257319827. The cubic root of 2520873 is about 136.0975547175.

It can be divided in two parts, 25208 and 73, that added together give a square (25281 = 159²).

The spelling of 2520873 in words is "two million, five hundred twenty thousand, eight hundred seventy-three".