630342513 has 16 divisors (see below), whose sum is σ = 934230400. Its totient is φ = 420053040.

The previous prime is 630342509. The next prime is 630342527. The reversal of 630342513 is 315243036.

It is a happy number.

630342513 is a `hidden beast` number, since 630 + 3 + 4 + 25 + 1 + 3 = 666.

It is not a de Polignac number, because 630342513 - 2² = 630342509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630342533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112308 + ... + 117786.

It is an arithmetic number, because the mean of its divisors is an integer number (58389400).

Almost surely, 2^630342513 is an apocalyptic number.

It is an amenable number.

630342513 is a deficient number, since it is larger than the sum of its proper divisors (303887887).

630342513 is a wasteful number, since it uses less digits than its factorization.

630342513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9749 (or 9743 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 630342513 is about 25106.6228911815. The cubic root of 630342513 is about 857.4172163507.

Adding to 630342513 its reverse (315243036), we get a palindrome (945585549).

The spelling of 630342513 in words is "six hundred thirty million, three hundred forty-two thousand, five hundred thirteen".