1541152241 has 4 divisors (see below), whose sum is σ = 1545568500. Its totient is φ = 1536735984.

The previous prime is 1541152211. The next prime is 1541152247. The reversal of 1541152241 is 1422511451.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 570206641 + 970945600 = 23879^2 + 31160^2 .

It is a cyclic number.

It is not a de Polignac number, because 1541152241 - 2¹⁴ = 1541135857 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 1541152241.

It is not an unprimeable number, because it can be changed into a prime (1541152247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2207606 + ... + 2208303.

It is an arithmetic number, because the mean of its divisors is an integer number (386392125).

Almost surely, 2^1541152241 is an apocalyptic number.

It is an amenable number.

1541152241 is a deficient number, since it is larger than the sum of its proper divisors (4416259).

1541152241 is an equidigital number, since it uses as much as digits as its factorization.

1541152241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4416258.

The product of its digits is 1600, while the sum is 26.

The square root of 1541152241 is about 39257.5119053666. The cubic root of 1541152241 is about 1155.0882889476.

Adding to 1541152241 its reverse (1422511451), we get a palindrome (2963663692).

The spelling of 1541152241 in words is "one billion, five hundred forty-one million, one hundred fifty-two thousand, two hundred forty-one".