2506003601 has 2 divisors, whose sum is σ = 2506003602. Its totient is φ = 2506003600.

The previous prime is 2506003573. The next prime is 2506003603. The reversal of 2506003601 is 1063006052.

It is a Cunningham number, because it is equal to 50060²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2506003600 + 1 = 50060^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 2506003601 - 2¹⁸ = 2505741457 is a prime.

Together with 2506003603, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2506003603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1253001800 + 1253001801.

It is an arithmetic number, because the mean of its divisors is an integer number (1253001801).

Almost surely, 2^2506003601 is an apocalyptic number.

It is an amenable number.

2506003601 is a deficient number, since it is larger than the sum of its proper divisors (1).

2506003601 is an equidigital number, since it uses as much as digits as its factorization.

2506003601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2506003601 is about 50060.0000099880. Note that the first 5 decimals coincide. The cubic root of 2506003601 is about 1358.2943584871.

Adding to 2506003601 its reverse (1063006052), we get a palindrome (3569009653).

The spelling of 2506003601 in words is "two billion, five hundred six million, three thousand, six hundred one".