147183997 has 2 divisors, whose sum is σ = 147183998. Its totient is φ = 147183996.

The previous prime is 147183991. The next prime is 147184007. The reversal of 147183997 is 799381741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88906041 + 58277956 = 9429^2 + 7634^2 .

It is an emirp because it is prime and its reverse (799381741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 147183997 - 2¹¹ = 147181949 is a 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 147183997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147183991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73591998 + 73591999.

It is an arithmetic number, because the mean of its divisors is an integer number (73591999).

Almost surely, 2^147183997 is an apocalyptic number.

It is an amenable number.

147183997 is a deficient number, since it is larger than the sum of its proper divisors (1).

147183997 is an equidigital number, since it uses as much as digits as its factorization.

147183997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 49.

The square root of 147183997 is about 12131.9411884496. The cubic root of 147183997 is about 527.9833139145.

The spelling of 147183997 in words is "one hundred forty-seven million, one hundred eighty-three thousand, nine hundred ninety-seven".