630243151 has 4 divisors (see below), whose sum is σ = 630296352. Its totient is φ = 630189952.

The previous prime is 630243143. The next prime is 630243169. The reversal of 630243151 is 151342036.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 630243151 - 2³ = 630243143 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 (630243101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111 + ... + 35503.

It is an arithmetic number, because the mean of its divisors is an integer number (157574088).

Almost surely, 2^630243151 is an apocalyptic number.

630243151 is a deficient number, since it is larger than the sum of its proper divisors (53201).

630243151 is a wasteful number, since it uses less digits than its factorization.

630243151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53200.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 630243151 is about 25104.6440126125. The cubic root of 630243151 is about 857.3721619216.

Adding to 630243151 its reverse (151342036), we get a palindrome (781585187).

The spelling of 630243151 in words is "six hundred thirty million, two hundred forty-three thousand, one hundred fifty-one".