1521948041 has 2 divisors, whose sum is σ = 1521948042. Its totient is φ = 1521948040.

The previous prime is 1521947989. The next prime is 1521948049. The reversal of 1521948041 is 1408491251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1190526016 + 331422025 = 34504^2 + 18205^2 .

It is a cyclic number.

It is not a de Polignac number, because 1521948041 - 2¹⁰ = 1521947017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1521947992 and 1521948010.

It is not a weakly prime, because it can be changed into another prime (1521948049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 760974020 + 760974021.

It is an arithmetic number, because the mean of its divisors is an integer number (760974021).

Almost surely, 2^1521948041 is an apocalyptic number.

It is an amenable number.

1521948041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1521948041 is an equidigital number, since it uses as much as digits as its factorization.

1521948041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 1521948041 is about 39012.1524784265. The cubic root of 1521948041 is about 1150.2703941375.

The spelling of 1521948041 in words is "one billion, five hundred twenty-one million, nine hundred forty-eight thousand, forty-one".