2041503521 has 2 divisors, whose sum is σ = 2041503522. Its totient is φ = 2041503520.

The previous prime is 2041503511. The next prime is 2041503547. The reversal of 2041503521 is 1253051402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1962933025 + 78570496 = 44305^2 + 8864^2 .

It is a cyclic number.

It is not a de Polignac number, because 2041503521 - 2¹⁰ = 2041502497 is a prime.

It is not a weakly prime, because it can be changed into another prime (2041503511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020751760 + 1020751761.

It is an arithmetic number, because the mean of its divisors is an integer number (1020751761).

Almost surely, 2^2041503521 is an apocalyptic number.

It is an amenable number.

2041503521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2041503521 is an equidigital number, since it uses as much as digits as its factorization.

2041503521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2041503521 is about 45183.0003541155. Note that the first 3 decimals coincide. The cubic root of 2041503521 is about 1268.5766435279.

Adding to 2041503521 its reverse (1253051402), we get a palindrome (3294554923).

The spelling of 2041503521 in words is "two billion, forty-one million, five hundred three thousand, five hundred twenty-one".