632305 has 4 divisors (see below), whose sum is σ = 758772. Its totient is φ = 505840.

The previous prime is 632299. The next prime is 632321. The reversal of 632305 is 503236.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 283024 + 349281 = 532^2 + 591^2 .

It is not a de Polignac number, because 632305 - 2³ = 632297 is a prime.

It is a super-2 number, since 2×632305² = 799619226050, which contains 22 as substring.

It is a d-powerful number, because it can be written as 6⁶ + 3⁷ + 3¹⁰ + 2¹⁹ + 0 + 5³ .

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

It is a Duffinian number.

It is an unprimeable number.

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, 63226 + ... + 63235.

It is an arithmetic number, because the mean of its divisors is an integer number (189693).

2⁶³²³⁰⁵ is an apocalyptic number.

It is an amenable number.

632305 is a deficient number, since it is larger than the sum of its proper divisors (126467).

632305 is a wasteful number, since it uses less digits than its factorization.

632305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126466.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 632305 is about 795.1760811292. The cubic root of 632305 is about 85.8306112395.

The spelling of 632305 in words is "six hundred thirty-two thousand, three hundred five".