630054751 has 8 divisors (see below), whose sum is σ = 639130304. Its totient is φ = 620991360.

The previous prime is 630054739. The next prime is 630054767. The reversal of 630054751 is 157450036.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-630054751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630054701) 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, 171706 + ... + 175336.

It is an arithmetic number, because the mean of its divisors is an integer number (79891288).

Almost surely, 2^630054751 is an apocalyptic number.

630054751 is a deficient number, since it is larger than the sum of its proper divisors (9075553).

630054751 is a wasteful number, since it uses less digits than its factorization.

630054751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6081.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 630054751 is about 25100.8914383533. The cubic root of 630054751 is about 857.2867213456.

The spelling of 630054751 in words is "six hundred thirty million, fifty-four thousand, seven hundred fifty-one".