147613 has 2 divisors, whose sum is σ = 147614. Its totient is φ = 147612.

The previous prime is 147607. The next prime is 147617. The reversal of 147613 is 316741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127449 + 20164 = 357^2 + 142^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147613 is a prime.

147613 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147617) 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, 73806 + 73807.

It is an arithmetic number, because the mean of its divisors is an integer number (73807).

2¹⁴⁷⁶¹³ is an apocalyptic number.

It is an amenable number.

147613 is a deficient number, since it is larger than the sum of its proper divisors (1).

147613 is an equidigital number, since it uses as much as digits as its factorization.

147613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504, while the sum is 22.

The square root of 147613 is about 384.2043726977. The cubic root of 147613 is about 52.8495794249.

The spelling of 147613 in words is "one hundred forty-seven thousand, six hundred thirteen".