1040551225 has 12 divisors (see below), whose sum is σ = 1474609984. Its totient is φ = 713520720.

The previous prime is 1040551223. The next prime is 1040551229. The reversal of 1040551225 is 5221550401.

1040551225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1040551225 - 2¹ = 1040551223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1040551225.

It is not an unprimeable number, because it can be changed into a prime (1040551223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2972829 + ... + 2973178.

Almost surely, 2^1040551225 is an apocalyptic number.

It is an amenable number.

1040551225 is a deficient number, since it is larger than the sum of its proper divisors (434058759).

1040551225 is an equidigital number, since it uses as much as digits as its factorization.

1040551225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5946024 (or 5946019 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 1040551225 is about 32257.5762418691. The cubic root of 1040551225 is about 1013.3383718177.

The spelling of 1040551225 in words is "one billion, forty million, five hundred fifty-one thousand, two hundred twenty-five".