629025289 has 2 divisors, whose sum is σ = 629025290. Its totient is φ = 629025288.

The previous prime is 629025259. The next prime is 629025301. The reversal of 629025289 is 982520926.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 626751225 + 2274064 = 25035^2 + 1508^2 .

It is a cyclic number.

It is not a de Polignac number, because 629025289 - 2⁷ = 629025161 is a prime.

It is not a weakly prime, because it can be changed into another prime (629025259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314512644 + 314512645.

It is an arithmetic number, because the mean of its divisors is an integer number (314512645).

Almost surely, 2^629025289 is an apocalyptic number.

It is an amenable number.

629025289 is a deficient number, since it is larger than the sum of its proper divisors (1).

629025289 is an equidigital number, since it uses as much as digits as its factorization.

629025289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 629025289 is about 25080.3765721330. The cubic root of 629025289 is about 856.8195528399.

The spelling of 629025289 in words is "six hundred twenty-nine million, twenty-five thousand, two hundred eighty-nine".