52638259 has 2 divisors, whose sum is σ = 52638260. Its totient is φ = 52638258.

The previous prime is 52638251. The next prime is 52638281. The reversal of 52638259 is 95283625.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52638259 - 2³ = 52638251 is a prime.

It is not a weakly prime, because it can be changed into another prime (52638251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26319129 + 26319130.

It is an arithmetic number, because the mean of its divisors is an integer number (26319130).

Almost surely, 2^52638259 is an apocalyptic number.

52638259 is a deficient number, since it is larger than the sum of its proper divisors (1).

52638259 is an equidigital number, since it uses as much as digits as its factorization.

52638259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 40.

The square root of 52638259 is about 7255.2228773484. Note that the first 3 decimals coincide. The cubic root of 52638259 is about 374.7720309232.

The spelling of 52638259 in words is "fifty-two million, six hundred thirty-eight thousand, two hundred fifty-nine".