1544232113 has 2 divisors, whose sum is σ = 1544232114. Its totient is φ = 1544232112.

The previous prime is 1544232101. The next prime is 1544232119. The reversal of 1544232113 is 3112324451.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1405275169 + 138956944 = 37487^2 + 11788^2 .

It is an emirp because it is prime and its reverse (3112324451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1544232113 - 2⁴ = 1544232097 is a prime.

It is not a weakly prime, because it can be changed into another prime (1544232119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 772116056 + 772116057.

It is an arithmetic number, because the mean of its divisors is an integer number (772116057).

Almost surely, 2^1544232113 is an apocalyptic number.

It is an amenable number.

1544232113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1544232113 is an equidigital number, since it uses as much as digits as its factorization.

1544232113 is an evil number, because the sum of its binary digits is even.

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

The square root of 1544232113 is about 39296.7188579403. The cubic root of 1544232113 is about 1155.8572281003.

Adding to 1544232113 its reverse (3112324451), we get a palindrome (4656556564).

The spelling of 1544232113 in words is "one billion, five hundred forty-four million, two hundred thirty-two thousand, one hundred thirteen".