147517 has 2 divisors, whose sum is σ = 147518. Its totient is φ = 147516.

The previous prime is 147503. The next prime is 147541. The reversal of 147517 is 715741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125316 + 22201 = 354^2 + 149^2 .

It is a cyclic number.

It is not a de Polignac number, because 147517 - 2¹⁵ = 114749 is a prime.

It is a super-2 number, since 2×147517² = 43522530578, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 147491 and 147500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73758 + 73759.

It is an arithmetic number, because the mean of its divisors is an integer number (73759).

2¹⁴⁷⁵¹⁷ is an apocalyptic number.

It is an amenable number.

147517 is a deficient number, since it is larger than the sum of its proper divisors (1).

147517 is an equidigital number, since it uses as much as digits as its factorization.

147517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 980, while the sum is 25.

The square root of 147517 is about 384.0794188706. The cubic root of 147517 is about 52.8381200461.

The spelling of 147517 in words is "one hundred forty-seven thousand, five hundred seventeen".