252658903601651 has 2 divisors, whose sum is σ = 252658903601652. Its totient is φ = 252658903601650.

The previous prime is 252658903601617. The next prime is 252658903601719. The reversal of 252658903601651 is 156106309856252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252658903601651 - 2²⁶ = 252658836492787 is a prime.

It is not a weakly prime, because it can be changed into another prime (252658903001651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126329451800825 + 126329451800826.

It is an arithmetic number, because the mean of its divisors is an integer number (126329451800826).

Almost surely, 2^{252658903601651} is an apocalyptic number.

252658903601651 is a deficient number, since it is larger than the sum of its proper divisors (1).

252658903601651 is an equidigital number, since it uses as much as digits as its factorization.

252658903601651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328000, while the sum is 59.

The spelling of 252658903601651 in words is "two hundred fifty-two trillion, six hundred fifty-eight billion, nine hundred three million, six hundred one thousand, six hundred fifty-one".