2501544425 has 24 divisors (see below), whose sum is σ = 3168993600. Its totient is φ = 1958299200.

The previous prime is 2501544421. The next prime is 2501544533. The reversal of 2501544425 is 5244451052.

It is not a de Polignac number, because 2501544425 - 2² = 2501544421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2501544391 and 2501544400.

It is not an unprimeable number, because it can be changed into a prime (2501544421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 299354 + ... + 307596.

It is an arithmetic number, because the mean of its divisors is an integer number (132041400).

Almost surely, 2^2501544425 is an apocalyptic number.

2501544425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2501544425 is a deficient number, since it is larger than the sum of its proper divisors (667449175).

2501544425 is a wasteful number, since it uses less digits than its factorization.

2501544425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8513 (or 8508 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

The square root of 2501544425 is about 50015.4418654879. The cubic root of 2501544425 is about 1357.4882317274.

Adding to 2501544425 its reverse (5244451052), we get a palindrome (7745995477).

The spelling of 2501544425 in words is "two billion, five hundred one million, five hundred forty-four thousand, four hundred twenty-five".