141261521 has 2 divisors, whose sum is σ = 141261522. Its totient is φ = 141261520.

The previous prime is 141261511. The next prime is 141261539. The reversal of 141261521 is 125162141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98227921 + 43033600 = 9911^2 + 6560^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141261521 is a prime.

It is not a weakly prime, because it can be changed into another prime (141261511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70630760 + 70630761.

It is an arithmetic number, because the mean of its divisors is an integer number (70630761).

Almost surely, 2^141261521 is an apocalyptic number.

It is an amenable number.

141261521 is a deficient number, since it is larger than the sum of its proper divisors (1).

141261521 is an equidigital number, since it uses as much as digits as its factorization.

141261521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 23.

The square root of 141261521 is about 11885.3490062345. The cubic root of 141261521 is about 520.8043776173.

The spelling of 141261521 in words is "one hundred forty-one million, two hundred sixty-one thousand, five hundred twenty-one".