2600425621 has 16 divisors (see below), whose sum is σ = 2854448640. Its totient is φ = 2357994240.

The previous prime is 2600425603. The next prime is 2600425631. The reversal of 2600425621 is 1265240062.

It is a cyclic number.

It is not a de Polignac number, because 2600425621 - 2¹³ = 2600417429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2600425621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2600425631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234676 + ... + 245506.

It is an arithmetic number, because the mean of its divisors is an integer number (178403040).

Almost surely, 2^2600425621 is an apocalyptic number.

It is an amenable number.

2600425621 is a deficient number, since it is larger than the sum of its proper divisors (254023019).

2600425621 is a wasteful number, since it uses less digits than its factorization.

2600425621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11364.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2600425621 is about 50994.3685224163. The cubic root of 2600425621 is about 1375.1438960810.

Adding to 2600425621 its reverse (1265240062), we get a palindrome (3865665683).

The spelling of 2600425621 in words is "two billion, six hundred million, four hundred twenty-five thousand, six hundred twenty-one".