632625626257 has 2 divisors, whose sum is σ = 632625626258. Its totient is φ = 632625626256.

The previous prime is 632625626231. The next prime is 632625626291. The reversal of 632625626257 is 752626526236.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 624465033361 + 8160592896 = 790231^2 + 90336^2 .

It is a cyclic number.

It is not a de Polignac number, because 632625626257 - 2²⁷ = 632491408529 is a prime.

It is a super-4 number, since 4×632625626257⁴ (a number of 48 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (632625626557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316312813128 + 316312813129.

It is an arithmetic number, because the mean of its divisors is an integer number (316312813129).

Almost surely, 2^632625626257 is an apocalyptic number.

It is an amenable number.

632625626257 is a deficient number, since it is larger than the sum of its proper divisors (1).

632625626257 is an equidigital number, since it uses as much as digits as its factorization.

632625626257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10886400, while the sum is 52.

The spelling of 632625626257 in words is "six hundred thirty-two billion, six hundred twenty-five million, six hundred twenty-six thousand, two hundred fifty-seven".