630061 has 6 divisors (see below), whose sum is σ = 644462. Its totient is φ = 615960.

The previous prime is 630043. The next prime is 630067. The reversal of 630061 is 160036.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 348100 + 281961 = 590^2 + 531^2 .

It is not a de Polignac number, because 630061 - 2⁵ = 630029 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 (630067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3391 + ... + 3571.

2⁶³⁰⁰⁶¹ is an apocalyptic number.

It is an amenable number.

630061 is a deficient number, since it is larger than the sum of its proper divisors (14401).

630061 is an equidigital number, since it uses as much as digits as its factorization.

630061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 630061 is about 793.7638187773. The cubic root of 630061 is about 85.7289555579.

Adding to 630061 its reverse (160036), we get a palindrome (790097).

The spelling of 630061 in words is "six hundred thirty thousand, sixty-one".