2521003425 has 24 divisors (see below), whose sum is σ = 4236395520. Its totient is φ = 1322491200.

The previous prime is 2521003417. The next prime is 2521003453. The reversal of 2521003425 is 5243001252.

It is not a de Polignac number, because 2521003425 - 2³ = 2521003417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2521003395 and 2521003404.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 270945 + ... + 280094.

It is an arithmetic number, because the mean of its divisors is an integer number (176516480).

Almost surely, 2^2521003425 is an apocalyptic number.

2521003425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2521003425 is a deficient number, since it is larger than the sum of its proper divisors (1715392095).

2521003425 is a wasteful number, since it uses less digits than its factorization.

2521003425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551113 (or 551108 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2521003425 is about 50209.5949495711. The cubic root of 2521003425 is about 1360.9990181680. Note that the first 3 decimals are identical.

Adding to 2521003425 its reverse (5243001252), we get a palindrome (7764004677).

The spelling of 2521003425 in words is "two billion, five hundred twenty-one million, three thousand, four hundred twenty-five".