2505540612 has 24 divisors (see below), whose sum is σ = 5851162912. Its totient is φ = 834480000.

The previous prime is 2505540593. The next prime is 2505540613. The reversal of 2505540612 is 2160455052.

It is a self number, because there is not a number n which added to its sum of digits gives 2505540612.

It is not an unprimeable number, because it can be changed into a prime (2505540613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72514 + ... + 101337.

Almost surely, 2^2505540612 is an apocalyptic number.

It is an amenable number.

2505540612 is an abundant number, since it is smaller than the sum of its proper divisors (3345622300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2505540612 is a wasteful number, since it uses less digits than its factorization.

2505540612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175059 (or 175057 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 2505540612 is about 50055.3754555892. The cubic root of 2505540612 is about 1358.2107041674.

Adding to 2505540612 its reverse (2160455052), we get a palindrome (4665995664).

The spelling of 2505540612 in words is "two billion, five hundred five million, five hundred forty thousand, six hundred twelve".