630196251 has 8 divisors (see below), whose sum is σ = 876794880. Its totient is φ = 401864232.

The previous prime is 630196219. The next prime is 630196271. The reversal of 630196251 is 152691036.

It is a happy number.

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

It is not a de Polignac number, because 630196251 - 2⁵ = 630196219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (630196271) 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, 4566571 + ... + 4566708.

It is an arithmetic number, because the mean of its divisors is an integer number (109599360).

Almost surely, 2^630196251 is an apocalyptic number.

630196251 is a deficient number, since it is larger than the sum of its proper divisors (246598629).

630196251 is a wasteful number, since it uses less digits than its factorization.

630196251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9133305.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 630196251 is about 25103.7099051116. The cubic root of 630196251 is about 857.3508940708.

The spelling of 630196251 in words is "six hundred thirty million, one hundred ninety-six thousand, two hundred fifty-one".