1305532241 has 8 divisors (see below), whose sum is σ = 1406443584. Its totient is φ = 1204690320.

The previous prime is 1305532229. The next prime is 1305532243. The reversal of 1305532241 is 1422355031.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1305532241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1305532241.

It is not an unprimeable number, because it can be changed into a prime (1305532243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25676 + ... + 57186.

It is an arithmetic number, because the mean of its divisors is an integer number (175805448).

Almost surely, 2^1305532241 is an apocalyptic number.

It is an amenable number.

1305532241 is a deficient number, since it is larger than the sum of its proper divisors (100911343).

1305532241 is a wasteful number, since it uses less digits than its factorization.

1305532241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34711.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1305532241 is about 36132.1496869478. The cubic root of 1305532241 is about 1092.9388583990.

Adding to 1305532241 its reverse (1422355031), we get a palindrome (2727887272).

The spelling of 1305532241 in words is "one billion, three hundred five million, five hundred thirty-two thousand, two hundred forty-one".