1532131541 has 2 divisors, whose sum is σ = 1532131542. Its totient is φ = 1532131540.

The previous prime is 1532131493. The next prime is 1532131553. The reversal of 1532131541 is 1451312351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1200345316 + 331786225 = 34646^2 + 18215^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1532131541 is a prime.

It is a super-5 number, since 5×1532131541⁵ (a number of 47 digits) contains 55555 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1532131541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1532131441) 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 as a sum of consecutive naturals, namely, 766065770 + 766065771.

It is an arithmetic number, because the mean of its divisors is an integer number (766065771).

Almost surely, 2^1532131541 is an apocalyptic number.

It is an amenable number.

1532131541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1532131541 is an equidigital number, since it uses as much as digits as its factorization.

1532131541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1800, while the sum is 26.

The square root of 1532131541 is about 39142.4519032725. The cubic root of 1532131541 is about 1152.8302163578.

Adding to 1532131541 its reverse (1451312351), we get a palindrome (2983443892).

The spelling of 1532131541 in words is "one billion, five hundred thirty-two million, one hundred thirty-one thousand, five hundred forty-one".