52640303 has 2 divisors, whose sum is σ = 52640304. Its totient is φ = 52640302.

The previous prime is 52640297. The next prime is 52640309. The reversal of 52640303 is 30304625.

It is a balanced prime because it is at equal distance from previous prime (52640297) and next prime (52640309).

It is a cyclic number.

It is not a de Polignac number, because 52640303 - 2¹⁴ = 52623919 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52640309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26320151 + 26320152.

It is an arithmetic number, because the mean of its divisors is an integer number (26320152).

Almost surely, 2^52640303 is an apocalyptic number.

52640303 is a deficient number, since it is larger than the sum of its proper divisors (1).

52640303 is an equidigital number, since it uses as much as digits as its factorization.

52640303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 52640303 is about 7255.3637400202. The cubic root of 52640303 is about 374.7768817936.

Adding to 52640303 its reverse (30304625), we get a palindrome (82944928).

The spelling of 52640303 in words is "fifty-two million, six hundred forty thousand, three hundred three".