630030254 has 16 divisors (see below), whose sum is σ = 1082426208. Its totient is φ = 269419392.

The previous prime is 630030211. The next prime is 630030287. The reversal of 630030254 is 452030036.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42839 + ... + 55634.

It is an arithmetic number, because the mean of its divisors is an integer number (67651638).

Almost surely, 2^630030254 is an apocalyptic number.

630030254 is a deficient number, since it is larger than the sum of its proper divisors (452395954).

630030254 is a wasteful number, since it uses less digits than its factorization.

630030254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98939.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 630030254 is about 25100.4034628928. The cubic root of 630030254 is about 857.2756105520.

The spelling of 630030254 in words is "six hundred thirty million, thirty thousand, two hundred fifty-four".