2520044425 has 12 divisors (see below), whose sum is σ = 3141052060. Its totient is φ = 2005585920.

The previous prime is 2520044333. The next prime is 2520044479. The reversal of 2520044425 is 5244400252.

It can be written as a sum of positive squares in 6 ways, for example, as 18844281 + 2501200144 = 4341^2 + 50012^2 .

It is not a de Polignac number, because 2520044425 - 2⁷ = 2520044297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2520044393 and 2520044402.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256320 + ... + 265969.

Almost surely, 2^2520044425 is an apocalyptic number.

2520044425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2520044425 is a deficient number, since it is larger than the sum of its proper divisors (621007635).

2520044425 is a wasteful number, since it uses less digits than its factorization.

2520044425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522492 (or 522487 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 2520044425 is about 50200.0440736858. The cubic root of 2520044425 is about 1360.8264197519.

Adding to 2520044425 its reverse (5244400252), we get a palindrome (7764444677).

The spelling of 2520044425 in words is "two billion, five hundred twenty million, forty-four thousand, four hundred twenty-five".