52005623 has 2 divisors, whose sum is σ = 52005624. Its totient is φ = 52005622.

The previous prime is 52005593. The next prime is 52005649. The reversal of 52005623 is 32650025.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52005623 - 2¹² = 52001527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52005523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26002811 + 26002812.

It is an arithmetic number, because the mean of its divisors is an integer number (26002812).

Almost surely, 2^52005623 is an apocalyptic number.

52005623 is a deficient number, since it is larger than the sum of its proper divisors (1).

52005623 is an equidigital number, since it uses as much as digits as its factorization.

52005623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 52005623 is about 7211.4924252890. The cubic root of 52005623 is about 373.2645689854.

Adding to 52005623 its reverse (32650025), we get a palindrome (84655648).

The spelling of 52005623 in words is "fifty-two million, five thousand, six hundred twenty-three".