4781225 has 6 divisors (see below), whose sum is σ = 5928750. Its totient is φ = 3824960.

The previous prime is 4781197. The next prime is 4781237. The reversal of 4781225 is 5221874.

It can be written as a sum of positive squares in 3 ways, for example, as 337561 + 4443664 = 581^2 + 2108^2 .

It is not a de Polignac number, because 4781225 - 2¹⁰ = 4780201 is a prime.

It is a super-2 number, since 2×4781225² = 45720225001250, which contains 22 as substring.

It is a Curzon number.

It is a nialpdrome in base 9.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 95600 + ... + 95649.

It is an arithmetic number, because the mean of its divisors is an integer number (988125).

Almost surely, 2^4781225 is an apocalyptic number.

It is an amenable number.

4781225 is a deficient number, since it is larger than the sum of its proper divisors (1147525).

4781225 is a wasteful number, since it uses less digits than its factorization.

4781225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191259 (or 191254 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 4781225 is about 2186.6012439400. The cubic root of 4781225 is about 168.4663088959.

The spelling of 4781225 in words is "four million, seven hundred eighty-one thousand, two hundred twenty-five".