840483225 has 18 divisors (see below), whose sum is σ = 1505399246. Its totient is φ = 448257600.

The previous prime is 840483131. The next prime is 840483229. The reversal of 840483225 is 522384048.

It can be written as a sum of positive squares in 3 ways, for example, as 121104 + 840362121 = 348^2 + 28989^2 .

It is not a de Polignac number, because 840483225 - 2⁷ = 840483097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 840483225.

It is not an unprimeable number, because it can be changed into a prime (840483229) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1867516 + ... + 1867965.

Almost surely, 2^840483225 is an apocalyptic number.

It is an amenable number.

840483225 is a deficient number, since it is larger than the sum of its proper divisors (664916021).

840483225 is a wasteful number, since it uses less digits than its factorization.

840483225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3735497 (or 3735489 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 840483225 is about 28991.0887170523. The cubic root of 840483225 is about 943.7196905606.

The spelling of 840483225 in words is "eight hundred forty million, four hundred eighty-three thousand, two hundred twenty-five".