141525821 has 2 divisors, whose sum is σ = 141525822. Its totient is φ = 141525820.

The previous prime is 141525793. The next prime is 141525827. The reversal of 141525821 is 128525141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138062500 + 3463321 = 11750^2 + 1861^2 .

It is a cyclic number.

It is not a de Polignac number, because 141525821 - 2¹⁴ = 141509437 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141525827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70762910 + 70762911.

It is an arithmetic number, because the mean of its divisors is an integer number (70762911).

Almost surely, 2^141525821 is an apocalyptic number.

It is an amenable number.

141525821 is a deficient number, since it is larger than the sum of its proper divisors (1).

141525821 is an equidigital number, since it uses as much as digits as its factorization.

141525821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3200, while the sum is 29.

The square root of 141525821 is about 11896.4625414448. The cubic root of 141525821 is about 521.1289832103.

The spelling of 141525821 in words is "one hundred forty-one million, five hundred twenty-five thousand, eight hundred twenty-one".