629986001 has 2 divisors, whose sum is σ = 629986002. Its totient is φ = 629986000.

The previous prime is 629985977. The next prime is 629986009. The reversal of 629986001 is 100689926.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 396965776 + 233020225 = 19924^2 + 15265^2 .

It is a cyclic number.

It is not a de Polignac number, because 629986001 - 2¹⁴ = 629969617 is a prime.

It is a super-2 number, since 2×629986001² = 793764722911944002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 629986001.

It is not a weakly prime, because it can be changed into another prime (629986009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314993000 + 314993001.

It is an arithmetic number, because the mean of its divisors is an integer number (314993001).

Almost surely, 2^629986001 is an apocalyptic number.

It is an amenable number.

629986001 is a deficient number, since it is larger than the sum of its proper divisors (1).

629986001 is an equidigital number, since it uses as much as digits as its factorization.

629986001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 629986001 is about 25099.5219277181. The cubic root of 629986001 is about 857.2555385498.

The spelling of 629986001 in words is "six hundred twenty-nine million, nine hundred eighty-six thousand, one".