52447259 has 2 divisors, whose sum is σ = 52447260. Its totient is φ = 52447258.

The previous prime is 52447249. The next prime is 52447267. The reversal of 52447259 is 95274425.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52447259 - 2⁴ = 52447243 is a prime.

It is a super-2 number, since 2×52447259² = 5501429953226162, which contains 22 as substring.

It is equal to p_3138968 and since 52447259 and 3138968 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (52447249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26223629 + 26223630.

It is an arithmetic number, because the mean of its divisors is an integer number (26223630).

Almost surely, 2^52447259 is an apocalyptic number.

52447259 is a deficient number, since it is larger than the sum of its proper divisors (1).

52447259 is an equidigital number, since it uses as much as digits as its factorization.

52447259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 38.

The square root of 52447259 is about 7242.0479838234. The cubic root of 52447259 is about 374.3181898518.

The spelling of 52447259 in words is "fifty-two million, four hundred forty-seven thousand, two hundred fifty-nine".