630208801 has 4 divisors (see below), whose sum is σ = 631189552. Its totient is φ = 629228052.

The previous prime is 630208783. The next prime is 630208807. The reversal of 630208801 is 108802036.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 630208801 - 2⁵ = 630208769 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 630208801.

It is not an unprimeable number, because it can be changed into a prime (630208807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489411 + ... + 490696.

It is an arithmetic number, because the mean of its divisors is an integer number (157797388).

Almost surely, 2^630208801 is an apocalyptic number.

It is an amenable number.

630208801 is a deficient number, since it is larger than the sum of its proper divisors (980751).

630208801 is an equidigital number, since it uses as much as digits as its factorization.

630208801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980750.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 630208801 is about 25103.9598669214. The cubic root of 630208801 is about 857.3565852515.

The spelling of 630208801 in words is "six hundred thirty million, two hundred eight thousand, eight hundred one".