2500601 has 2 divisors, whose sum is σ = 2500602. Its totient is φ = 2500600.

The previous prime is 2500591. The next prime is 2500621. The reversal of 2500601 is 1060052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1452025 + 1048576 = 1205^2 + 1024^2 .

It is a cyclic number.

It is not a de Polignac number, because 2500601 - 2¹⁰ = 2499577 is a prime.

It is a super-2 number, since 2×2500601² = 12506010722402, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2500621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250300 + 1250301.

It is an arithmetic number, because the mean of its divisors is an integer number (1250301).

2^2500601 is an apocalyptic number.

It is an amenable number.

2500601 is a deficient number, since it is larger than the sum of its proper divisors (1).

2500601 is an equidigital number, since it uses as much as digits as its factorization.

2500601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 2500601 is about 1581.3288715508. The cubic root of 2500601 is about 135.7317557249.

Adding to 2500601 its reverse (1060052), we get a palindrome (3560653).

The spelling of 2500601 in words is "two million, five hundred thousand, six hundred one".