147253391 has 2 divisors, whose sum is σ = 147253392. Its totient is φ = 147253390.

The previous prime is 147253373. The next prime is 147253399. The reversal of 147253391 is 193352741.

147253391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (193352741) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147253391 is a prime.

It is a super-4 number, since 4×147253391⁴ (a number of 34 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147253399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73626695 + 73626696.

It is an arithmetic number, because the mean of its divisors is an integer number (73626696).

Almost surely, 2^147253391 is an apocalyptic number.

147253391 is a deficient number, since it is larger than the sum of its proper divisors (1).

147253391 is an equidigital number, since it uses as much as digits as its factorization.

147253391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 35.

The square root of 147253391 is about 12134.8008224280. The cubic root of 147253391 is about 528.0662783630.

The spelling of 147253391 in words is "one hundred forty-seven million, two hundred fifty-three thousand, three hundred ninety-one".