4781505 has 24 divisors (see below), whose sum is σ = 8134272. Its totient is φ = 2397952.

The previous prime is 4781489. The next prime is 4781507. The reversal of 4781505 is 5051874.

It is not a de Polignac number, because 4781505 - 2⁴ = 4781489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4781507) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 3784 + ... + 4886.

It is an arithmetic number, because the mean of its divisors is an integer number (338928).

Almost surely, 2^4781505 is an apocalyptic number.

It is an amenable number.

4781505 is a deficient number, since it is larger than the sum of its proper divisors (3352767).

4781505 is a wasteful number, since it uses less digits than its factorization.

4781505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145 (or 1128 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 4781505 is about 2186.6652693085. The cubic root of 4781505 is about 168.4695974287.

The spelling of 4781505 in words is "four million, seven hundred eighty-one thousand, five hundred five".