52147019 has 2 divisors, whose sum is σ = 52147020. Its totient is φ = 52147018.

The previous prime is 52146979. The next prime is 52147033. The reversal of 52147019 is 91074125.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52147019 is a prime.

It is a super-2 number, since 2×52147019² = 5438623181172722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 52146982 and 52147000.

It is not a weakly prime, because it can be changed into another prime (52147219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26073509 + 26073510.

It is an arithmetic number, because the mean of its divisors is an integer number (26073510).

Almost surely, 2^52147019 is an apocalyptic number.

52147019 is a deficient number, since it is larger than the sum of its proper divisors (1).

52147019 is an equidigital number, since it uses as much as digits as its factorization.

52147019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 52147019 is about 7221.2892893167. The cubic root of 52147019 is about 373.6025475473.

The spelling of 52147019 in words is "fifty-two million, one hundred forty-seven thousand, nineteen".