630506461 has 8 divisors (see below), whose sum is σ = 679667744. Its totient is φ = 581439600.

The previous prime is 630506453. The next prime is 630506477. The reversal of 630506461 is 164605036.

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 630506461 - 2³ = 630506453 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 (630506491) 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, 9411 + ... + 36736.

It is an arithmetic number, because the mean of its divisors is an integer number (84958468).

Almost surely, 2^630506461 is an apocalyptic number.

It is an amenable number.

630506461 is a deficient number, since it is larger than the sum of its proper divisors (49161283).

630506461 is a wasteful number, since it uses less digits than its factorization.

630506461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47211.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 630506461 is about 25109.8877138071. The cubic root of 630506461 is about 857.4915461261.

The spelling of 630506461 in words is "six hundred thirty million, five hundred six thousand, four hundred sixty-one".