629520413 has 2 divisors, whose sum is σ = 629520414. Its totient is φ = 629520412.

The previous prime is 629520377. The next prime is 629520431. The reversal of 629520413 is 314025926.

It is a happy number.

Together with next prime (629520431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 570875449 + 58644964 = 23893^2 + 7658^2 .

It is a cyclic number.

It is not a de Polignac number, because 629520413 - 2¹⁰ = 629519389 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 629520413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (629520613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314760206 + 314760207.

It is an arithmetic number, because the mean of its divisors is an integer number (314760207).

Almost surely, 2^629520413 is an apocalyptic number.

It is an amenable number.

629520413 is a deficient number, since it is larger than the sum of its proper divisors (1).

629520413 is an equidigital number, since it uses as much as digits as its factorization.

629520413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 629520413 is about 25090.2453754442. The cubic root of 629520413 is about 857.0443030325.

The spelling of 629520413 in words is "six hundred twenty-nine million, five hundred twenty thousand, four hundred thirteen".