7920611 has 2 divisors, whose sum is σ = 7920612. Its totient is φ = 7920610.

The previous prime is 7920569. The next prime is 7920613. The reversal of 7920611 is 1160297.

It is a strong prime.

It is an emirp because it is prime and its reverse (1160297) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7920611 - 2¹⁸ = 7658467 is a prime.

It is a super-2 number, since 2×7920611² = 125472157226642, which contains 22 as substring.

Together with 7920613, 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 (7920613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3960305 + 3960306.

It is an arithmetic number, because the mean of its divisors is an integer number (3960306).

Almost surely, 2^7920611 is an apocalyptic number.

7920611 is a deficient number, since it is larger than the sum of its proper divisors (1).

7920611 is an equidigital number, since it uses as much as digits as its factorization.

7920611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 7920611 is about 2814.3580084986. The cubic root of 7920611 is about 199.3362244472.

The spelling of 7920611 in words is "seven million, nine hundred twenty thousand, six hundred eleven".