147520613 has 2 divisors, whose sum is σ = 147520614. Its totient is φ = 147520612.

The previous prime is 147520609. The next prime is 147520657. The reversal of 147520613 is 316025741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143592289 + 3928324 = 11983^2 + 1982^2 .

It is a cyclic number.

It is not a de Polignac number, because 147520613 - 2² = 147520609 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147520603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73760306 + 73760307.

It is an arithmetic number, because the mean of its divisors is an integer number (73760307).

Almost surely, 2^147520613 is an apocalyptic number.

It is an amenable number.

147520613 is a deficient number, since it is larger than the sum of its proper divisors (1).

147520613 is an equidigital number, since it uses as much as digits as its factorization.

147520613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 147520613 is about 12145.8063956248. The cubic root of 147520613 is about 528.3855141457.

The spelling of 147520613 in words is "one hundred forty-seven million, five hundred twenty thousand, six hundred thirteen".