1532131441 has 2 divisors, whose sum is σ = 1532131442. Its totient is φ = 1532131440.

The previous prime is 1532131399. The next prime is 1532131459. The reversal of 1532131441 is 1441312351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1497380416 + 34751025 = 38696^2 + 5895^2 .

It is a cyclic number.

It is not a de Polignac number, because 1532131441 - 2¹⁷ = 1532000369 is a prime.

It is not a weakly prime, because it can be changed into another prime (1532131541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 766065720 + 766065721.

It is an arithmetic number, because the mean of its divisors is an integer number (766065721).

Almost surely, 2^1532131441 is an apocalyptic number.

It is an amenable number.

1532131441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1532131441 is an equidigital number, since it uses as much as digits as its factorization.

1532131441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 25.

The square root of 1532131441 is about 39142.4506258870. The cubic root of 1532131441 is about 1152.8301912766.

Adding to 1532131441 its reverse (1441312351), we get a palindrome (2973443792).

The spelling of 1532131441 in words is "one billion, five hundred thirty-two million, one hundred thirty-one thousand, four hundred forty-one".