141631517 has 2 divisors, whose sum is σ = 141631518. Its totient is φ = 141631516.

The previous prime is 141631481. The next prime is 141631541. The reversal of 141631517 is 715136141.

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., 88472836 + 53158681 = 9406^2 + 7291^2 .

It is an emirp because it is prime and its reverse (715136141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 141631517 - 2¹⁰ = 141630493 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 141631517.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141631417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70815758 + 70815759.

It is an arithmetic number, because the mean of its divisors is an integer number (70815759).

Almost surely, 2^141631517 is an apocalyptic number.

It is an amenable number.

141631517 is a deficient number, since it is larger than the sum of its proper divisors (1).

141631517 is an equidigital number, since it uses as much as digits as its factorization.

141631517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 29.

The square root of 141631517 is about 11900.9040412903. The cubic root of 141631517 is about 521.2586828466.

Adding to 141631517 its reverse (715136141), we get a palindrome (856767658).

The spelling of 141631517 in words is "one hundred forty-one million, six hundred thirty-one thousand, five hundred seventeen".