52442503 has 2 divisors, whose sum is σ = 52442504. Its totient is φ = 52442502.

The previous prime is 52442497. The next prime is 52442521. The reversal of 52442503 is 30524425.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52442503 is a prime.

It is a super-2 number, since 2×52442503² = 5500432241810018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52442003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26221251 + 26221252.

It is an arithmetic number, because the mean of its divisors is an integer number (26221252).

Almost surely, 2^52442503 is an apocalyptic number.

52442503 is a deficient number, since it is larger than the sum of its proper divisors (1).

52442503 is an equidigital number, since it uses as much as digits as its factorization.

52442503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 52442503 is about 7241.7196162238. The cubic root of 52442503 is about 374.3068749222.

Adding to 52442503 its reverse (30524425), we get a palindrome (82966928).

The spelling of 52442503 in words is "fifty-two million, four hundred forty-two thousand, five hundred three".