630261430 has 16 divisors (see below), whose sum is σ = 1162141344. Its totient is φ = 245955520.

The previous prime is 630261419. The next prime is 630261469. The reversal of 630261430 is 34162036.

It is a junction number, because it is equal to n+sod(n) for n = 630261395 and 630261404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 768202 + ... + 769021.

It is an arithmetic number, because the mean of its divisors is an integer number (72633834).

Almost surely, 2^630261430 is an apocalyptic number.

630261430 is a deficient number, since it is larger than the sum of its proper divisors (531879914).

630261430 is a wasteful number, since it uses less digits than its factorization.

630261430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537271.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 630261430 is about 25105.0080661210. The cubic root of 630261430 is about 857.3804506560.

The spelling of 630261430 in words is "six hundred thirty million, two hundred sixty-one thousand, four hundred thirty".