630137565 has 48 divisors (see below), whose sum is σ = 1180857600. Its totient is φ = 309764736.

The previous prime is 630137561. The next prime is 630137597. The reversal of 630137565 is 565731036.

It is a happy number.

630137565 is a `hidden beast` number, since 63 + 0 + 1 + 37 + 565 = 666.

It is not a de Polignac number, because 630137565 - 2² = 630137561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630137561) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21676 + ... + 41594.

It is an arithmetic number, because the mean of its divisors is an integer number (24601200).

Almost surely, 2^630137565 is an apocalyptic number.

It is an amenable number.

630137565 is a deficient number, since it is larger than the sum of its proper divisors (550720035).

630137565 is a wasteful number, since it uses less digits than its factorization.

630137565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19986 (or 19983 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 36.

The square root of 630137565 is about 25102.5410068383. The cubic root of 630137565 is about 857.3242801092.

The spelling of 630137565 in words is "six hundred thirty million, one hundred thirty-seven thousand, five hundred sixty-five".