7391081 has 2 divisors, whose sum is σ = 7391082. Its totient is φ = 7391080.

The previous prime is 7391077. The next prime is 7391093. The reversal of 7391081 is 1801937.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6677056 + 714025 = 2584^2 + 845^2 .

It is a cyclic number.

It is not a de Polignac number, because 7391081 - 2² = 7391077 is a prime.

It is a super-2 number, since 2×7391081² = 109256156697122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7391011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3695540 + 3695541.

It is an arithmetic number, because the mean of its divisors is an integer number (3695541).

Almost surely, 2^7391081 is an apocalyptic number.

It is an amenable number.

7391081 is a deficient number, since it is larger than the sum of its proper divisors (1).

7391081 is an equidigital number, since it uses as much as digits as its factorization.

7391081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 7391081 is about 2718.6542626822. The cubic root of 7391081 is about 194.7911944180.

The spelling of 7391081 in words is "seven million, three hundred ninety-one thousand, eighty-one".