52651254003581 has 2 divisors, whose sum is σ = 52651254003582. Its totient is φ = 52651254003580.

The previous prime is 52651254003529. The next prime is 52651254003643. The reversal of 52651254003581 is 18530045215625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42029742811225 + 10621511192356 = 6483035^2 + 3259066^2 .

It is a cyclic number.

It is not a de Polignac number, because 52651254003581 - 2³⁸ = 52376376096637 is a prime.

It is a super-2 number, since 2×52651254003581² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52651254003511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26325627001790 + 26325627001791.

It is an arithmetic number, because the mean of its divisors is an integer number (26325627001791).

Almost surely, 2^{52651254003581} is an apocalyptic number.

It is an amenable number.

52651254003581 is a deficient number, since it is larger than the sum of its proper divisors (1).

52651254003581 is an equidigital number, since it uses as much as digits as its factorization.

52651254003581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440000, while the sum is 47.

The spelling of 52651254003581 in words is "fifty-two trillion, six hundred fifty-one billion, two hundred fifty-four million, three thousand, five hundred eighty-one".