4561903 has 4 divisors (see below), whose sum is σ = 4719240. Its totient is φ = 4404568.

The previous prime is 4561901. The next prime is 4561937. The reversal of 4561903 is 3091654.

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

It is a cyclic number.

It is not a de Polignac number, because 4561903 - 2¹ = 4561901 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4561901) 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, 78625 + ... + 78682.

It is an arithmetic number, because the mean of its divisors is an integer number (1179810).

Almost surely, 2^4561903 is an apocalyptic number.

4561903 is a deficient number, since it is larger than the sum of its proper divisors (157337).

4561903 is a wasteful number, since it uses less digits than its factorization.

4561903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157336.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 4561903 is about 2135.8611846279. The cubic root of 4561903 is about 165.8499515064.

It can be divided in two parts, 456 and 1903, that multiplied together give a palindrome (867768).

The spelling of 4561903 in words is "four million, five hundred sixty-one thousand, nine hundred three".