635241 has 4 divisors (see below), whose sum is σ = 846992. Its totient is φ = 423492.

The previous prime is 635207. The next prime is 635249. The reversal of 635241 is 142536.

It is a happy number.

635241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 635241 - 2¹⁴ = 618857 is a prime.

It is a super-2 number, since 2×635241² = 807062256162, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

635241 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (635249) 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, 105871 + ... + 105876.

It is an arithmetic number, because the mean of its divisors is an integer number (211748).

2⁶³⁵²⁴¹ is an apocalyptic number.

It is an amenable number.

635241 is a deficient number, since it is larger than the sum of its proper divisors (211751).

635241 is a wasteful number, since it uses less digits than its factorization.

635241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211750.

The product of its digits is 720, while the sum is 21.

The square root of 635241 is about 797.0200750295. The cubic root of 635241 is about 85.9632527337.

Adding to 635241 its reverse (142536), we get a palindrome (777777).

The spelling of 635241 in words is "six hundred thirty-five thousand, two hundred forty-one".