630553051 has 8 divisors (see below), whose sum is σ = 652579200. Its totient is φ = 608632320.

The previous prime is 630553039. The next prime is 630553093. The reversal of 630553051 is 150355036.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 630553051 - 2²¹ = 628455899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630553751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14086 + ... + 38203.

It is an arithmetic number, because the mean of its divisors is an integer number (81572400).

Almost surely, 2^630553051 is an apocalyptic number.

630553051 is a deficient number, since it is larger than the sum of its proper divisors (22026149).

630553051 is a wasteful number, since it uses less digits than its factorization.

630553051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52709.

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 630553051 is about 25110.8154188589. The cubic root of 630553051 is about 857.5126664739.

The spelling of 630553051 in words is "six hundred thirty million, five hundred fifty-three thousand, fifty-one".