630652403 has 4 divisors (see below), whose sum is σ = 632157960. Its totient is φ = 629146848.

The previous prime is 630652367. The next prime is 630652411. The reversal of 630652403 is 304256036.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 630652403 - 2¹⁰ = 630651379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630652453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752150 + ... + 752987.

It is an arithmetic number, because the mean of its divisors is an integer number (158039490).

Almost surely, 2^630652403 is an apocalyptic number.

630652403 is a deficient number, since it is larger than the sum of its proper divisors (1505557).

630652403 is a wasteful number, since it uses less digits than its factorization.

630652403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505556.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 630652403 is about 25112.7936120217. The cubic root of 630652403 is about 857.5577016083.

The spelling of 630652403 in words is "six hundred thirty million, six hundred fifty-two thousand, four hundred three".