7961101 has 2 divisors, whose sum is σ = 7961102. Its totient is φ = 7961100.

The previous prime is 7961087. The next prime is 7961119. The reversal of 7961101 is 1011697.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6245001 + 1716100 = 2499^2 + 1310^2 .

It is an emirp because it is prime and its reverse (1011697) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7961101 - 2⁵ = 7961069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7961131) 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, 3980550 + 3980551.

It is an arithmetic number, because the mean of its divisors is an integer number (3980551).

Almost surely, 2^7961101 is an apocalyptic number.

7961101 is the 1785-th centered pentagonal number.

It is an amenable number.

7961101 is a deficient number, since it is larger than the sum of its proper divisors (1).

7961101 is an equidigital number, since it uses as much as digits as its factorization.

7961101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 25.

The square root of 7961101 is about 2821.5423087383. The cubic root of 7961101 is about 199.6753148497.

Adding to 7961101 its reverse (1011697), we get a palindrome (8972798).

The spelling of 7961101 in words is "seven million, nine hundred sixty-one thousand, one hundred one".