7591481 has 2 divisors, whose sum is σ = 7591482. Its totient is φ = 7591480.

The previous prime is 7591459. The next prime is 7591483. The reversal of 7591481 is 1841957.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7513081 + 78400 = 2741^2 + 280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7591481 is a prime.

It is a super-2 number, since 2×7591481² = 115261167546722, which contains 22 as substring.

Together with 7591483, 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 (7591483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3795740 + 3795741.

It is an arithmetic number, because the mean of its divisors is an integer number (3795741).

Almost surely, 2^7591481 is an apocalyptic number.

It is an amenable number.

7591481 is a deficient number, since it is larger than the sum of its proper divisors (1).

7591481 is an equidigital number, since it uses as much as digits as its factorization.

7591481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 35.

The square root of 7591481 is about 2755.2642341525. The cubic root of 7591481 is about 196.5360257851.

The spelling of 7591481 in words is "seven million, five hundred ninety-one thousand, four hundred eighty-one".