7973131 has 2 divisors, whose sum is σ = 7973132. Its totient is φ = 7973130.

The previous prime is 7973129. The next prime is 7973137. The reversal of 7973131 is 1313797.

It is a weak prime.

It is an emirp because it is prime and its reverse (1313797) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7973131 - 2¹ = 7973129 is a prime.

It is a super-2 number, since 2×7973131² = 127141635886322, which contains 22 as substring.

Together with 7973129, it forms a pair of twin primes.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 7973093 and 7973102.

It is not a weakly prime, because it can be changed into another prime (7973137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3986565 + 3986566.

It is an arithmetic number, because the mean of its divisors is an integer number (3986566).

Almost surely, 2^7973131 is an apocalyptic number.

7973131 is a deficient number, since it is larger than the sum of its proper divisors (1).

7973131 is an equidigital number, since it uses as much as digits as its factorization.

7973131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3969, while the sum is 31.

The square root of 7973131 is about 2823.6733167985. The cubic root of 7973131 is about 199.7758405232.

The spelling of 7973131 in words is "seven million, nine hundred seventy-three thousand, one hundred thirty-one".