630554253 has 16 divisors (see below), whose sum is σ = 966744576. Its totient is φ = 358104240.

The previous prime is 630554227. The next prime is 630554257. The reversal of 630554253 is 352455036.

It is not a de Polignac number, because 630554253 - 2⁶ = 630554189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630554257) 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, 88683 + ... + 95528.

It is an arithmetic number, because the mean of its divisors is an integer number (60421536).

Almost surely, 2^630554253 is an apocalyptic number.

It is an amenable number.

630554253 is a deficient number, since it is larger than the sum of its proper divisors (336190323).

630554253 is a wasteful number, since it uses less digits than its factorization.

630554253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184384.

The product of its (nonzero) digits is 54000, while the sum is 33.

The square root of 630554253 is about 25110.8393527576. The cubic root of 630554253 is about 857.5132113551.

The spelling of 630554253 in words is "six hundred thirty million, five hundred fifty-four thousand, two hundred fifty-three".