52863521 has 2 divisors, whose sum is σ = 52863522. Its totient is φ = 52863520.

The previous prime is 52863497. The next prime is 52863527. The reversal of 52863521 is 12536825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42719296 + 10144225 = 6536^2 + 3185^2 .

It is a cyclic number.

It is not a de Polignac number, because 52863521 - 2²² = 48669217 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52863527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26431760 + 26431761.

It is an arithmetic number, because the mean of its divisors is an integer number (26431761).

Almost surely, 2^52863521 is an apocalyptic number.

It is an amenable number.

52863521 is a deficient number, since it is larger than the sum of its proper divisors (1).

52863521 is an equidigital number, since it uses as much as digits as its factorization.

52863521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 32.

The square root of 52863521 is about 7270.7304309815. The cubic root of 52863521 is about 375.3058742931.

The spelling of 52863521 in words is "fifty-two million, eight hundred sixty-three thousand, five hundred twenty-one".