2520240803 has 16 divisors (see below), whose sum is σ = 2716451136. Its totient is φ = 2329482240.

The previous prime is 2520240799. The next prime is 2520240817. The reversal of 2520240803 is 3080420252.

It is a Cunningham number, because it is equal to 50202²-1.

It is a cyclic number.

It is not a de Polignac number, because 2520240803 - 2² = 2520240799 is a prime.

It is a super-2 number, since 2×2520240803² = 12703227410212169618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2520240823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 851975 + ... + 854927.

It is an arithmetic number, because the mean of its divisors is an integer number (169778196).

Almost surely, 2^2520240803 is an apocalyptic number.

2520240803 is a deficient number, since it is larger than the sum of its proper divisors (196210333).

2520240803 is a wasteful number, since it uses less digits than its factorization.

2520240803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3854.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2520240803 is about 50201.9999900402. Note that the first 5 decimals coincide. The cubic root of 2520240803 is about 1360.8617669369.

The spelling of 2520240803 in words is "two billion, five hundred twenty million, two hundred forty thousand, eight hundred three".