2500540425 has 18 divisors (see below), whose sum is σ = 4478746142. Its totient is φ = 1333621440.

The previous prime is 2500540403. The next prime is 2500540439. The reversal of 2500540425 is 5240450052.

2500540425 is a `hidden beast` number, since 250 + 0 + 5 + 404 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 851530761 + 1649009664 = 29181^2 + 40608^2 .

It is not a de Polignac number, because 2500540425 - 2⁷ = 2500540297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5556532 + ... + 5556981.

Almost surely, 2^2500540425 is an apocalyptic number.

2500540425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2500540425 is a deficient number, since it is larger than the sum of its proper divisors (1978205717).

2500540425 is a wasteful number, since it uses less digits than its factorization.

2500540425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11113529 (or 11113521 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 2500540425 is about 50005.4039579724. The cubic root of 2500540425 is about 1357.3065971941.

Adding to 2500540425 its reverse (5240450052), we get a palindrome (7740990477).

The spelling of 2500540425 in words is "two billion, five hundred million, five hundred forty thousand, four hundred twenty-five".