52524247 has 2 divisors, whose sum is σ = 52524248. Its totient is φ = 52524246.

The previous prime is 52524223. The next prime is 52524253. The reversal of 52524247 is 74242525.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52524247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52224247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26262123 + 26262124.

It is an arithmetic number, because the mean of its divisors is an integer number (26262124).

Almost surely, 2^52524247 is an apocalyptic number.

52524247 is a deficient number, since it is larger than the sum of its proper divisors (1).

52524247 is an equidigital number, since it uses as much as digits as its factorization.

52524247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22400, while the sum is 31.

The square root of 52524247 is about 7247.3613819100. The cubic root of 52524247 is about 374.5012557868.

It can be divided in two parts, 5 and 2524247, that added together give a palindrome (2524252).

The spelling of 52524247 in words is "fifty-two million, five hundred twenty-four thousand, two hundred forty-seven".