52059521 has 2 divisors, whose sum is σ = 52059522. Its totient is φ = 52059520.

The previous prime is 52059479. The next prime is 52059523. The reversal of 52059521 is 12595025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31764496 + 20295025 = 5636^2 + 4505^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52059521 is a prime.

Together with 52059523, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52059523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26029760 + 26029761.

It is an arithmetic number, because the mean of its divisors is an integer number (26029761).

Almost surely, 2^52059521 is an apocalyptic number.

It is an amenable number.

52059521 is a deficient number, since it is larger than the sum of its proper divisors (1).

52059521 is an equidigital number, since it uses as much as digits as its factorization.

52059521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 52059521 is about 7215.2284094130. The cubic root of 52059521 is about 373.3934734287.

The spelling of 52059521 in words is "fifty-two million, fifty-nine thousand, five hundred twenty-one".