7313641 has 2 divisors, whose sum is σ = 7313642. Its totient is φ = 7313640.

The previous prime is 7313633. The next prime is 7313659. The reversal of 7313641 is 1463137.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7311616 + 2025 = 2704^2 + 45^2 .

It is a cyclic number.

It is not a de Polignac number, because 7313641 - 2³ = 7313633 is a prime.

It is a super-4 number, since 4×7313641⁴ (a number of 29 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (7313611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3656820 + 3656821.

It is an arithmetic number, because the mean of its divisors is an integer number (3656821).

Almost surely, 2^7313641 is an apocalyptic number.

It is an amenable number.

7313641 is a deficient number, since it is larger than the sum of its proper divisors (1).

7313641 is an equidigital number, since it uses as much as digits as its factorization.

7313641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 25.

The square root of 7313641 is about 2704.3744193436. The cubic root of 7313641 is about 194.1084967202.

Adding to 7313641 its reverse (1463137), we get a palindrome (8776778).

The spelling of 7313641 in words is "seven million, three hundred thirteen thousand, six hundred forty-one".