7113641 has 2 divisors, whose sum is σ = 7113642. Its totient is φ = 7113640.

The previous prime is 7113611. The next prime is 7113661. The reversal of 7113641 is 1463117.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6651241 + 462400 = 2579^2 + 680^2 .

It is an emirp because it is prime and its reverse (1463117) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7113641 - 2¹⁸ = 6851497 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 (7113611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3556820 + 3556821.

It is an arithmetic number, because the mean of its divisors is an integer number (3556821).

Almost surely, 2^7113641 is an apocalyptic number.

It is an amenable number.

7113641 is a deficient number, since it is larger than the sum of its proper divisors (1).

7113641 is an equidigital number, since it uses as much as digits as its factorization.

7113641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 23.

The square root of 7113641 is about 2667.1409786511. The cubic root of 7113641 is about 192.3227445736.

Adding to 7113641 its reverse (1463117), we get a palindrome (8576758).

The spelling of 7113641 in words is "seven million, one hundred thirteen thousand, six hundred forty-one".