1629252563 has 2 divisors, whose sum is σ = 1629252564. Its totient is φ = 1629252562.

The previous prime is 1629252551. The next prime is 1629252571. The reversal of 1629252563 is 3652529261.

It is a strong prime.

It is an emirp because it is prime and its reverse (3652529261) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1629252563 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1629252563.

It is not a weakly prime, because it can be changed into another prime (1629252533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 814626281 + 814626282.

It is an arithmetic number, because the mean of its divisors is an integer number (814626282).

Almost surely, 2^1629252563 is an apocalyptic number.

1629252563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1629252563 is an equidigital number, since it uses as much as digits as its factorization.

1629252563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 41.

The square root of 1629252563 is about 40364.0008299475. Note that the first 3 decimals coincide. The cubic root of 1629252563 is about 1176.6920094035.

The spelling of 1629252563 in words is "one billion, six hundred twenty-nine million, two hundred fifty-two thousand, five hundred sixty-three".