52632581 has 2 divisors, whose sum is σ = 52632582. Its totient is φ = 52632580.

The previous prime is 52632577. The next prime is 52632583. The reversal of 52632581 is 18523625.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33535681 + 19096900 = 5791^2 + 4370^2 .

It is a cyclic number.

It is not a de Polignac number, because 52632581 - 2² = 52632577 is a prime.

It is a super-2 number, since 2×52632581² = 5540377165443122, which contains 22 as substring.

Together with 52632583, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52632583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26316290 + 26316291.

It is an arithmetic number, because the mean of its divisors is an integer number (26316291).

Almost surely, 2^52632581 is an apocalyptic number.

It is an amenable number.

52632581 is a deficient number, since it is larger than the sum of its proper divisors (1).

52632581 is an equidigital number, since it uses as much as digits as its factorization.

52632581 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 52632581 is about 7254.8315624830. The cubic root of 52632581 is about 374.7585550968.

The spelling of 52632581 in words is "fifty-two million, six hundred thirty-two thousand, five hundred eighty-one".