630453405 has 8 divisors (see below), whose sum is σ = 1008725472. Its totient is φ = 336241808.

The previous prime is 630453379. The next prime is 630453427. The reversal of 630453405 is 504354036.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 630453405 - 2⁷ = 630453277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21015099 + ... + 21015128.

It is an arithmetic number, because the mean of its divisors is an integer number (126090684).

Almost surely, 2^630453405 is an apocalyptic number.

It is an amenable number.

630453405 is a deficient number, since it is larger than the sum of its proper divisors (378272067).

630453405 is a wasteful number, since it uses less digits than its factorization.

630453405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42030235.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 630453405 is about 25108.8312153314. The cubic root of 630453405 is about 857.4674933207.

The spelling of 630453405 in words is "six hundred thirty million, four hundred fifty-three thousand, four hundred five".