141512521 has 2 divisors, whose sum is σ = 141512522. Its totient is φ = 141512520.

The previous prime is 141512507. The next prime is 141512543. The reversal of 141512521 is 125215141.

It is an a-pointer prime, because the next prime (141512543) can be obtained adding 141512521 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108576400 + 32936121 = 10420^2 + 5739^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141512521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 141512492 and 141512501.

It is not a weakly prime, because it can be changed into another prime (141512321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70756260 + 70756261.

It is an arithmetic number, because the mean of its divisors is an integer number (70756261).

Almost surely, 2^141512521 is an apocalyptic number.

It is an amenable number.

141512521 is a deficient number, since it is larger than the sum of its proper divisors (1).

141512521 is an equidigital number, since it uses as much as digits as its factorization.

141512521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 400, while the sum is 22.

The square root of 141512521 is about 11895.9035386136. The cubic root of 141512521 is about 521.1126581973.

Adding to 141512521 its reverse (125215141), we get a palindrome (266727662).

The spelling of 141512521 in words is "one hundred forty-one million, five hundred twelve thousand, five hundred twenty-one".