1353217225 has 12 divisors (see below), whose sum is σ = 1678808844. Its totient is φ = 1082045120.

The previous prime is 1353217207. The next prime is 1353217241. The reversal of 1353217225 is 5227123531.

It can be written as a sum of positive squares in 6 ways, for example, as 20675209 + 1332542016 = 4547^2 + 36504^2 .

It is not a de Polignac number, because 1353217225 - 2²⁹ = 816346313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43827 + ... + 68023.

It is an arithmetic number, because the mean of its divisors is an integer number (139900737).

Almost surely, 2^1353217225 is an apocalyptic number.

It is an amenable number.

1353217225 is a deficient number, since it is larger than the sum of its proper divisors (325591619).

1353217225 is a wasteful number, since it uses less digits than its factorization.

1353217225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26444 (or 26439 counting only the distinct ones).

The product of its digits is 12600, while the sum is 31.

The square root of 1353217225 is about 36786.1009757762. The cubic root of 1353217225 is about 1106.0867055513.

The spelling of 1353217225 in words is "one billion, three hundred fifty-three million, two hundred seventeen thousand, two hundred twenty-five".