1584241553225 has 12 divisors (see below), whose sum is σ = 1967467906956. Its totient is φ = 1265452351680.

The previous prime is 1584241553197. The next prime is 1584241553227. The reversal of 1584241553225 is 5223551424851.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 7067260489 + 1577174292736 = 84067^2 + 1255856^2 .

It is not a de Polignac number, because 1584241553225 - 2¹⁸ = 1584241291081 is a prime.

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 1584241553225.

It is not an unprimeable number, because it can be changed into a prime (1584241553227) 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, 48505622 + ... + 48538271.

It is an arithmetic number, because the mean of its divisors is an integer number (163955658913).

Almost surely, 2^{1584241553225} is an apocalyptic number.

It is an amenable number.

1584241553225 is a deficient number, since it is larger than the sum of its proper divisors (383226353731).

1584241553225 is an equidigital number, since it uses as much as digits as its factorization.

1584241553225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97044556 (or 97044551 counting only the distinct ones).

The product of its digits is 1920000, while the sum is 47.

The spelling of 1584241553225 in words is "one trillion, five hundred eighty-four billion, two hundred forty-one million, five hundred fifty-three thousand, two hundred twenty-five".