630361 has 4 divisors (see below), whose sum is σ = 657792. Its totient is φ = 602932.

The previous prime is 630353. The next prime is 630391. The reversal of 630361 is 163036.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 630361 - 2³ = 630353 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630391) 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 3 ways as a sum of consecutive naturals, for example, 13681 + ... + 13726.

It is an arithmetic number, because the mean of its divisors is an integer number (164448).

2⁶³⁰³⁶¹ is an apocalyptic number.

It is an amenable number.

630361 is a deficient number, since it is larger than the sum of its proper divisors (27431).

630361 is a wasteful number, since it uses less digits than its factorization.

630361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27430.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 630361 is about 793.9527693761. The cubic root of 630361 is about 85.7425598522.

Adding to 630361 its reverse (163036), we get a palindrome (793397).

It can be divided in two parts, 6303 and 61, that multiplied together give a palindrome (384483).

The spelling of 630361 in words is "six hundred thirty thousand, three hundred sixty-one".