41519521 has 2 divisors, whose sum is σ = 41519522. Its totient is φ = 41519520.

The previous prime is 41519519. The next prime is 41519537. The reversal of 41519521 is 12591514.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38750625 + 2768896 = 6225^2 + 1664^2 .

It is a cyclic number.

It is not a de Polignac number, because 41519521 - 2¹ = 41519519 is a prime.

Together with 41519519, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 41519521.

It is not a weakly prime, because it can be changed into another prime (41519581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20759760 + 20759761.

It is an arithmetic number, because the mean of its divisors is an integer number (20759761).

Almost surely, 2^41519521 is an apocalyptic number.

It is an amenable number.

41519521 is a deficient number, since it is larger than the sum of its proper divisors (1).

41519521 is an equidigital number, since it uses as much as digits as its factorization.

41519521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 28.

The square root of 41519521 is about 6443.5643086726. The cubic root of 41519521 is about 346.2720554011.

The spelling of 41519521 in words is "forty-one million, five hundred nineteen thousand, five hundred twenty-one".