1533421241 has 8 divisors (see below), whose sum is σ = 1685996544. Its totient is φ = 1383041520.

The previous prime is 1533421223. The next prime is 1533421249. The reversal of 1533421241 is 1421243351.

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 not a de Polignac number, because 1533421241 - 2⁶ = 1533421177 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 1533421241.

It is not an unprimeable number, because it can be changed into a prime (1533421249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547430 + ... + 550223.

It is an arithmetic number, because the mean of its divisors is an integer number (210749568).

Almost surely, 2^1533421241 is an apocalyptic number.

1533421241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1533421241 is a deficient number, since it is larger than the sum of its proper divisors (152575303).

1533421241 is a wasteful number, since it uses less digits than its factorization.

1533421241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097791.

The product of its digits is 2880, while the sum is 26.

The square root of 1533421241 is about 39158.9228784450. The cubic root of 1533421241 is about 1153.1535976741.

Adding to 1533421241 its reverse (1421243351), we get a palindrome (2954664592).

The spelling of 1533421241 in words is "one billion, five hundred thirty-three million, four hundred twenty-one thousand, two hundred forty-one".