147717461 has 2 divisors, whose sum is σ = 147717462. Its totient is φ = 147717460.

The previous prime is 147717433. The next prime is 147717467. The reversal of 147717461 is 164717741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141372100 + 6345361 = 11890^2 + 2519^2 .

It is an emirp because it is prime and its reverse (164717741) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147717461 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147717467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73858730 + 73858731.

It is an arithmetic number, because the mean of its divisors is an integer number (73858731).

Almost surely, 2^147717461 is an apocalyptic number.

It is an amenable number.

147717461 is a deficient number, since it is larger than the sum of its proper divisors (1).

147717461 is an equidigital number, since it uses as much as digits as its factorization.

147717461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32928, while the sum is 38.

The square root of 147717461 is about 12153.9072318329. The cubic root of 147717461 is about 528.6204313782.

The spelling of 147717461 in words is "one hundred forty-seven million, seven hundred seventeen thousand, four hundred sixty-one".