52490423 has 2 divisors, whose sum is σ = 52490424. Its totient is φ = 52490422.

The previous prime is 52490419. The next prime is 52490437. The reversal of 52490423 is 32409425.

52490423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52490423 - 2² = 52490419 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52490323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26245211 + 26245212.

It is an arithmetic number, because the mean of its divisors is an integer number (26245212).

Almost surely, 2^52490423 is an apocalyptic number.

52490423 is a deficient number, since it is larger than the sum of its proper divisors (1).

52490423 is an equidigital number, since it uses as much as digits as its factorization.

52490423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 52490423 is about 7245.0274671667. The cubic root of 52490423 is about 374.4208494268.

Adding to 52490423 its reverse (32409425), we get a palindrome (84899848).

The spelling of 52490423 in words is "fifty-two million, four hundred ninety thousand, four hundred twenty-three".