52527521 has 2 divisors, whose sum is σ = 52527522. Its totient is φ = 52527520.

The previous prime is 52527511. The next prime is 52527539. The reversal of 52527521 is 12572525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48163600 + 4363921 = 6940^2 + 2089^2 .

It is a cyclic number.

It is not a de Polignac number, because 52527521 - 2¹⁸ = 52265377 is a prime.

It is not a weakly prime, because it can be changed into another prime (52527511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26263760 + 26263761.

It is an arithmetic number, because the mean of its divisors is an integer number (26263761).

Almost surely, 2^52527521 is an apocalyptic number.

It is an amenable number.

52527521 is a deficient number, since it is larger than the sum of its proper divisors (1).

52527521 is an equidigital number, since it uses as much as digits as its factorization.

52527521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7000, while the sum is 29.

The square root of 52527521 is about 7247.5872537004. The cubic root of 52527521 is about 374.5090369019.

The spelling of 52527521 in words is "fifty-two million, five hundred twenty-seven thousand, five hundred twenty-one".