52009427 has 2 divisors, whose sum is σ = 52009428. Its totient is φ = 52009426.

The previous prime is 52009411. The next prime is 52009429. The reversal of 52009427 is 72490025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52009427 - 2⁴ = 52009411 is a prime.

Together with 52009429, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52009427.

It is not a weakly prime, because it can be changed into another prime (52009429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26004713 + 26004714.

It is an arithmetic number, because the mean of its divisors is an integer number (26004714).

Almost surely, 2^52009427 is an apocalyptic number.

52009427 is a deficient number, since it is larger than the sum of its proper divisors (1).

52009427 is an equidigital number, since it uses as much as digits as its factorization.

52009427 is an evil number, because the sum of its binary digits is even.

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

The square root of 52009427 is about 7211.7561661498. The cubic root of 52009427 is about 373.2736696924.

The spelling of 52009427 in words is "fifty-two million, nine thousand, four hundred twenty-seven".