630004605 has 16 divisors (see below), whose sum is σ = 1009566720. Its totient is φ = 335482688.

The previous prime is 630004601. The next prime is 630004619. The reversal of 630004605 is 506400036.

630004605 = T₂₅₄ + T₂₅₅ + ... + T₁₅₅₉.

It is a cyclic number.

It is not a de Polignac number, because 630004605 - 2² = 630004601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630004601) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 22365 + ... + 41954.

It is an arithmetic number, because the mean of its divisors is an integer number (63097920).

Almost surely, 2^630004605 is an apocalyptic number.

It is an amenable number.

630004605 is a deficient number, since it is larger than the sum of its proper divisors (379562115).

630004605 is a wasteful number, since it uses less digits than its factorization.

630004605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64980.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 630004605 is about 25099.8925296504. The cubic root of 630004605 is about 857.2639769516.

The spelling of 630004605 in words is "six hundred thirty million, four thousand, six hundred five".