630297461 has 8 divisors (see below), whose sum is σ = 635694048. Its totient is φ = 624910000.

The previous prime is 630297439. The next prime is 630297463. The reversal of 630297461 is 164792036.

630297461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-630297461 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 (630297463) 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, 247766 + ... + 250296.

It is an arithmetic number, because the mean of its divisors is an integer number (79461756).

Almost surely, 2^630297461 is an apocalyptic number.

It is an amenable number.

630297461 is a deficient number, since it is larger than the sum of its proper divisors (5396587).

630297461 is a wasteful number, since it uses less digits than its factorization.

630297461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4563.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 630297461 is about 25105.7256616892. The cubic root of 630297461 is about 857.3967886838.

The spelling of 630297461 in words is "six hundred thirty million, two hundred ninety-seven thousand, four hundred sixty-one".