147397519 has 2 divisors, whose sum is σ = 147397520. Its totient is φ = 147397518.

The previous prime is 147397511. The next prime is 147397543. The reversal of 147397519 is 915793741.

147397519 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (915793741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 147397519 - 2³ = 147397511 is a prime.

It is a super-2 number, since 2×147397519² = 43452057214710722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147397511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73698759 + 73698760.

It is an arithmetic number, because the mean of its divisors is an integer number (73698760).

Almost surely, 2^147397519 is an apocalyptic number.

147397519 is a deficient number, since it is larger than the sum of its proper divisors (1).

147397519 is an equidigital number, since it uses as much as digits as its factorization.

147397519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 238140, while the sum is 46.

The square root of 147397519 is about 12140.7379923957. The cubic root of 147397519 is about 528.2385082820.

The spelling of 147397519 in words is "one hundred forty-seven million, three hundred ninety-seven thousand, five hundred nineteen".