7284131 has 2 divisors, whose sum is σ = 7284132. Its totient is φ = 7284130.

The previous prime is 7284119. The next prime is 7284149. The reversal of 7284131 is 1314827.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7284131 is a prime.

It is a super-2 number, since 2×7284131² = 106117128850322, which contains 22 as substring.

It is a Sophie Germain prime.

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 7284131.

It is not a weakly prime, because it can be changed into another prime (7284181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3642065 + 3642066.

It is an arithmetic number, because the mean of its divisors is an integer number (3642066).

Almost surely, 2^7284131 is an apocalyptic number.

7284131 is a deficient number, since it is larger than the sum of its proper divisors (1).

7284131 is an equidigital number, since it uses as much as digits as its factorization.

7284131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 26.

The square root of 7284131 is about 2698.9129293106. The cubic root of 7284131 is about 193.8470736587.

Adding to 7284131 its reverse (1314827), we get a palindrome (8598958).

The spelling of 7284131 in words is "seven million, two hundred eighty-four thousand, one hundred thirty-one".