2611275001 has 2 divisors, whose sum is σ = 2611275002. Its totient is φ = 2611275000.

The previous prime is 2611274999. The next prime is 2611275047. The reversal of 2611275001 is 1005721162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1830128400 + 781146601 = 42780^2 + 27949^2 .

It is a cyclic number.

It is not a de Polignac number, because 2611275001 - 2¹ = 2611274999 is a prime.

Together with 2611274999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2611275301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1305637500 + 1305637501.

It is an arithmetic number, because the mean of its divisors is an integer number (1305637501).

Almost surely, 2^2611275001 is an apocalyptic number.

It is an amenable number.

2611275001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2611275001 is an equidigital number, since it uses as much as digits as its factorization.

2611275001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 2611275001 is about 51100.6360136545. The cubic root of 2611275001 is about 1377.0536806121.

Adding to 2611275001 its reverse (1005721162), we get a palindrome (3616996163).

The spelling of 2611275001 in words is "two billion, six hundred eleven million, two hundred seventy-five thousand, one".