52400503 has 2 divisors, whose sum is σ = 52400504. Its totient is φ = 52400502.

The previous prime is 52400479. The next prime is 52400507. The reversal of 52400503 is 30500425.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52400503 - 2⁵ = 52400471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52400507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26200251 + 26200252.

It is an arithmetic number, because the mean of its divisors is an integer number (26200252).

Almost surely, 2^52400503 is an apocalyptic number.

52400503 is a deficient number, since it is larger than the sum of its proper divisors (1).

52400503 is an equidigital number, since it uses as much as digits as its factorization.

52400503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 52400503 is about 7238.8191716605. The cubic root of 52400503 is about 374.2069236324.

Adding to 52400503 its reverse (30500425), we get a palindrome (82900928).

The spelling of 52400503 in words is "fifty-two million, four hundred thousand, five hundred three".