7125611 has 2 divisors, whose sum is σ = 7125612. Its totient is φ = 7125610.

The previous prime is 7125583. The next prime is 7125617. The reversal of 7125611 is 1165217.

It is a strong prime.

It is an emirp because it is prime and its reverse (1165217) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7125611 - 2²² = 2931307 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (7125617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3562805 + 3562806.

It is an arithmetic number, because the mean of its divisors is an integer number (3562806).

Almost surely, 2^7125611 is an apocalyptic number.

7125611 is a deficient number, since it is larger than the sum of its proper divisors (1).

7125611 is an equidigital number, since it uses as much as digits as its factorization.

7125611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 420, while the sum is 23.

The square root of 7125611 is about 2669.3840113404. The cubic root of 7125611 is about 192.4305568375.

The spelling of 7125611 in words is "seven million, one hundred twenty-five thousand, six hundred eleven".