7197131 has 2 divisors, whose sum is σ = 7197132. Its totient is φ = 7197130.

The previous prime is 7197119. The next prime is 7197139. The reversal of 7197131 is 1317917.

It is a strong prime.

It is an emirp because it is prime and its reverse (1317917) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7197131 - 2¹⁰ = 7196107 is a prime.

It is a super-2 number, since 2×7197131² = 103597389262322, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 7197094 and 7197103.

It is not a weakly prime, because it can be changed into another prime (7197139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3598565 + 3598566.

It is an arithmetic number, because the mean of its divisors is an integer number (3598566).

Almost surely, 2^7197131 is an apocalyptic number.

7197131 is a deficient number, since it is larger than the sum of its proper divisors (1).

7197131 is an equidigital number, since it uses as much as digits as its factorization.

7197131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1323, while the sum is 29.

The square root of 7197131 is about 2682.7469131470. The cubic root of 7197131 is about 193.0722254670.

The spelling of 7197131 in words is "seven million, one hundred ninety-seven thousand, one hundred thirty-one".