52401533 has 2 divisors, whose sum is σ = 52401534. Its totient is φ = 52401532.

The previous prime is 52401493. The next prime is 52401553. The reversal of 52401533 is 33510425.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38278969 + 14122564 = 6187^2 + 3758^2 .

It is a cyclic number.

It is not a de Polignac number, because 52401533 - 2¹² = 52397437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52401499 and 52401508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52401553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26200766 + 26200767.

It is an arithmetic number, because the mean of its divisors is an integer number (26200767).

Almost surely, 2^52401533 is an apocalyptic number.

It is an amenable number.

52401533 is a deficient number, since it is larger than the sum of its proper divisors (1).

52401533 is an equidigital number, since it uses as much as digits as its factorization.

52401533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 52401533 is about 7238.8903155111. The cubic root of 52401533 is about 374.2093754575.

Adding to 52401533 its reverse (33510425), we get a palindrome (85911958).

The spelling of 52401533 in words is "fifty-two million, four hundred one thousand, five hundred thirty-three".