632513 has 4 divisors (see below), whose sum is σ = 722880. Its totient is φ = 542148.

The previous prime is 632503. The next prime is 632521. The reversal of 632513 is 315236.

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 632513 - 2⁴ = 632497 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (632503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45173 + ... + 45186.

It is an arithmetic number, because the mean of its divisors is an integer number (180720).

2⁶³²⁵¹³ is an apocalyptic number.

It is an amenable number.

632513 is a deficient number, since it is larger than the sum of its proper divisors (90367).

632513 is an equidigital number, since it uses as much as digits as its factorization.

632513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90366.

The product of its digits is 540, while the sum is 20.

The square root of 632513 is about 795.3068590173. The cubic root of 632513 is about 85.8400216822.

Adding to 632513 its reverse (315236), we get a palindrome (947749).

The spelling of 632513 in words is "six hundred thirty-two thousand, five hundred thirteen".