52440403 has 2 divisors, whose sum is σ = 52440404. Its totient is φ = 52440402.

The previous prime is 52440389. The next prime is 52440413. The reversal of 52440403 is 30404425.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52440403 - 2⁵ = 52440371 is a prime.

It is not a weakly prime, because it can be changed into another prime (52440413) 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, 26220201 + 26220202.

It is an arithmetic number, because the mean of its divisors is an integer number (26220202).

Almost surely, 2^52440403 is an apocalyptic number.

52440403 is a deficient number, since it is larger than the sum of its proper divisors (1).

52440403 is an equidigital number, since it uses as much as digits as its factorization.

52440403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 52440403 is about 7241.5746215861. The cubic root of 52440403 is about 374.3018786254.

Adding to 52440403 its reverse (30404425), we get a palindrome (82844828).

The spelling of 52440403 in words is "fifty-two million, four hundred forty thousand, four hundred three".