632551130556281 has 2 divisors, whose sum is σ = 632551130556282. Its totient is φ = 632551130556280.

The previous prime is 632551130556211. The next prime is 632551130556307. The reversal of 632551130556281 is 182655031155236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 609366751476025 + 23184379080256 = 24685355^2 + 4815016^2 .

It is a cyclic number.

It is not a de Polignac number, because 632551130556281 - 2²⁶ = 632551063447417 is a prime.

It is a super-2 number, since 2×632551130556281² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (632551130556211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316275565278140 + 316275565278141.

It is an arithmetic number, because the mean of its divisors is an integer number (316275565278141).

Almost surely, 2^{632551130556281} is an apocalyptic number.

It is an amenable number.

632551130556281 is a deficient number, since it is larger than the sum of its proper divisors (1).

632551130556281 is an equidigital number, since it uses as much as digits as its factorization.

632551130556281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480000, while the sum is 53.

The spelling of 632551130556281 in words is "six hundred thirty-two trillion, five hundred fifty-one billion, one hundred thirty million, five hundred fifty-six thousand, two hundred eighty-one".