1353545447 has 4 divisors (see below), whose sum is σ = 1353812376. Its totient is φ = 1353278520.

The previous prime is 1353545441. The next prime is 1353545471. The reversal of 1353545447 is 7445453531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7445453531 = 541 ⋅13762391.

It is a cyclic number.

It is not a de Polignac number, because 1353545447 - 2⁶ = 1353545383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353545441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125708 + ... + 136049.

It is an arithmetic number, because the mean of its divisors is an integer number (338453094).

Almost surely, 2^1353545447 is an apocalyptic number.

1353545447 is a deficient number, since it is larger than the sum of its proper divisors (266929).

1353545447 is an equidigital number, since it uses as much as digits as its factorization.

1353545447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266928.

The product of its digits is 504000, while the sum is 41.

The square root of 1353545447 is about 36790.5619282989. The cubic root of 1353545447 is about 1106.1761252039.

Adding to 1353545447 its reverse (7445453531), we get a palindrome (8798998978).

The spelling of 1353545447 in words is "one billion, three hundred fifty-three million, five hundred forty-five thousand, four hundred forty-seven".