2600243601 has 4 divisors (see below), whose sum is σ = 3466991472. Its totient is φ = 1733495732.

The previous prime is 2600243599. The next prime is 2600243603. The reversal of 2600243601 is 1063420062.

2600243601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2600243599) and next prime (2600243603).

It is a cyclic number.

It is not a de Polignac number, because 2600243601 - 2¹ = 2600243599 is a prime.

It is a super-2 number, since 2×2600243601² = 13522533569082894402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2600243603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433373931 + ... + 433373936.

It is an arithmetic number, because the mean of its divisors is an integer number (866747868).

Almost surely, 2^2600243601 is an apocalyptic number.

It is an amenable number.

2600243601 is a deficient number, since it is larger than the sum of its proper divisors (866747871).

2600243601 is an equidigital number, since it uses as much as digits as its factorization.

2600243601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866747870.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 2600243601 is about 50992.5837843112. The cubic root of 2600243601 is about 1375.1118103678. Note that the first 3 decimals are identical.

Adding to 2600243601 its reverse (1063420062), we get a palindrome (3663663663).

The spelling of 2600243601 in words is "two billion, six hundred million, two hundred forty-three thousand, six hundred one".