2505001626 has 20 divisors (see below), whose sum is σ = 5613059562. Its totient is φ = 835000488.

The previous prime is 2505001607. The next prime is 2505001627. The reversal of 2505001626 is 6261005052.

2505001626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2504902401 + 99225 = 50049^2 + 315^2 .

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 2505001626.

It is not an unprimeable number, because it can be changed into a prime (2505001627) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7731325 + ... + 7731648.

Almost surely, 2^2505001626 is an apocalyptic number.

2505001626 is an abundant number, since it is smaller than the sum of its proper divisors (3108057936).

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

2505001626 is a wasteful number, since it uses less digits than its factorization.

2505001626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15462987 (or 15462978 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 2505001626 is about 50049.9912687305. The cubic root of 2505001626 is about 1358.1133054862.

Adding to 2505001626 its reverse (6261005052), we get a palindrome (8766006678).

The spelling of 2505001626 in words is "two billion, five hundred five million, one thousand, six hundred twenty-six".