52135423 has 2 divisors, whose sum is σ = 52135424. Its totient is φ = 52135422.

The previous prime is 52135337. The next prime is 52135427. The reversal of 52135423 is 32453125.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52135423 is a prime.

It is equal to p_3121459 and since 52135423 and 3121459 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52135427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26067711 + 26067712.

It is an arithmetic number, because the mean of its divisors is an integer number (26067712).

Almost surely, 2^52135423 is an apocalyptic number.

52135423 is a deficient number, since it is larger than the sum of its proper divisors (1).

52135423 is an equidigital number, since it uses as much as digits as its factorization.

52135423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 25.

The square root of 52135423 is about 7220.4863409607. The cubic root of 52135423 is about 373.5748526673.

Adding to 52135423 its reverse (32453125), we get a palindrome (84588548).

The spelling of 52135423 in words is "fifty-two million, one hundred thirty-five thousand, four hundred twenty-three".