52148399 has 2 divisors, whose sum is σ = 52148400. Its totient is φ = 52148398.

The previous prime is 52148387. The next prime is 52148413. The reversal of 52148399 is 99384125.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52148399 - 2²⁰ = 51099823 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52148309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26074199 + 26074200.

It is an arithmetic number, because the mean of its divisors is an integer number (26074200).

Almost surely, 2^52148399 is an apocalyptic number.

52148399 is a deficient number, since it is larger than the sum of its proper divisors (1).

52148399 is an equidigital number, since it uses as much as digits as its factorization.

52148399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 41.

The square root of 52148399 is about 7221.3848394889. The cubic root of 52148399 is about 373.6058431462.

The spelling of 52148399 in words is "fifty-two million, one hundred forty-eight thousand, three hundred ninety-nine".