9132731 has 2 divisors, whose sum is σ = 9132732. Its totient is φ = 9132730.

The previous prime is 9132719. The next prime is 9132733. The reversal of 9132731 is 1372319.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9132731 - 2⁶ = 9132667 is a prime.

It is a super-2 number, since 2×9132731² = 166813551036722, which contains 22 as substring.

Together with 9132733, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9132731.

It is not a weakly prime, because it can be changed into another prime (9132733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4566365 + 4566366.

It is an arithmetic number, because the mean of its divisors is an integer number (4566366).

Almost surely, 2^9132731 is an apocalyptic number.

9132731 is a deficient number, since it is larger than the sum of its proper divisors (1).

9132731 is an equidigital number, since it uses as much as digits as its factorization.

9132731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1134, while the sum is 26.

The square root of 9132731 is about 3022.0408666992. The cubic root of 9132731 is about 209.0259577200.

The spelling of 9132731 in words is "nine million, one hundred thirty-two thousand, seven hundred thirty-one".