147267997 has 2 divisors, whose sum is σ = 147267998. Its totient is φ = 147267996.

The previous prime is 147267961. The next prime is 147268007. The reversal of 147267997 is 799762741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136679481 + 10588516 = 11691^2 + 3254^2 .

It is a cyclic number.

It is not a de Polignac number, because 147267997 - 2¹⁵ = 147235229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147267947) 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, 73633998 + 73633999.

It is an arithmetic number, because the mean of its divisors is an integer number (73633999).

Almost surely, 2^147267997 is an apocalyptic number.

It is an amenable number.

147267997 is a deficient number, since it is larger than the sum of its proper divisors (1).

147267997 is an equidigital number, since it uses as much as digits as its factorization.

147267997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1333584, while the sum is 52.

The square root of 147267997 is about 12135.4026303209. The cubic root of 147267997 is about 528.0837373409.

The spelling of 147267997 in words is "one hundred forty-seven million, two hundred sixty-seven thousand, nine hundred ninety-seven".