2400625625 has 20 divisors (see below), whose sum is σ = 3016537524. Its totient is φ = 1909800000.

The previous prime is 2400625589. The next prime is 2400625637. The reversal of 2400625625 is 5265260042.

It can be written as a sum of positive squares in 10 ways, for example, as 1931426704 + 469198921 = 43948^2 + 21661^2 .

It is not a de Polignac number, because 2400625625 - 2¹² = 2400621529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2400625591 and 2400625600.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 102515 + ... + 123735.

Almost surely, 2^2400625625 is an apocalyptic number.

2400625625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2400625625 is a deficient number, since it is larger than the sum of its proper divisors (615911899).

2400625625 is an equidigital number, since it uses as much as digits as its factorization.

2400625625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21422 (or 21407 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 2400625625 is about 48996.1796980132. The cubic root of 2400625625 is about 1338.9822272763.

Adding to 2400625625 its reverse (5265260042), we get a palindrome (7665885667).

The spelling of 2400625625 in words is "two billion, four hundred million, six hundred twenty-five thousand, six hundred twenty-five".