2505132306 has 32 divisors (see below), whose sum is σ = 5629521600. Its totient is φ = 825660000.

The previous prime is 2505132283. The next prime is 2505132337. The reversal of 2505132306 is 6032315052.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 2505132306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255820 + ... + 265431.

It is an arithmetic number, because the mean of its divisors is an integer number (175922550).

Almost surely, 2^2505132306 is an apocalyptic number.

2505132306 is an abundant number, since it is smaller than the sum of its proper divisors (3124389294).

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

2505132306 is a wasteful number, since it uses less digits than its factorization.

2505132306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521351 (or 521345 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 2505132306 is about 50051.2967464380. The cubic root of 2505132306 is about 1358.1369215934.

Adding to 2505132306 its reverse (6032315052), we get a palindrome (8537447358).

The spelling of 2505132306 in words is "two billion, five hundred five million, one hundred thirty-two thousand, three hundred six".