1353254561 has 8 divisors (see below), whose sum is σ = 1379852904. Its totient is φ = 1326798720.

The previous prime is 1353254557. The next prime is 1353254593. The reversal of 1353254561 is 1654523531.

It can be written as a sum of positive squares in 4 ways, for example, as 10764961 + 1342489600 = 3281^2 + 36640^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1353254561 - 2² = 1353254557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1353254531) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16346 + ... + 54531.

It is an arithmetic number, because the mean of its divisors is an integer number (172481613).

Almost surely, 2^1353254561 is an apocalyptic number.

It is an amenable number.

1353254561 is a deficient number, since it is larger than the sum of its proper divisors (26598343).

1353254561 is an equidigital number, since it uses as much as digits as its factorization.

1353254561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71251.

The product of its digits is 54000, while the sum is 35.

The square root of 1353254561 is about 36786.6084465529. The cubic root of 1353254561 is about 1106.0968779692.

The spelling of 1353254561 in words is "one billion, three hundred fifty-three million, two hundred fifty-four thousand, five hundred sixty-one".