663141 has 4 divisors (see below), whose sum is σ = 884192. Its totient is φ = 442092.

The previous prime is 663127. The next prime is 663149. The reversal of 663141 is 141366.

663141 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 663141 - 2¹¹ = 661093 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663149) 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, 110521 + ... + 110526.

It is an arithmetic number, because the mean of its divisors is an integer number (221048).

2⁶⁶³¹⁴¹ is an apocalyptic number.

It is an amenable number.

663141 is a deficient number, since it is larger than the sum of its proper divisors (221051).

663141 is a wasteful number, since it uses less digits than its factorization.

663141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221050.

The product of its digits is 432, while the sum is 21.

The square root of 663141 is about 814.3346977748. The cubic root of 663141 is about 87.2037765247.

The spelling of 663141 in words is "six hundred sixty-three thousand, one hundred forty-one".