5040263521 has 2 divisors, whose sum is σ = 5040263522. Its totient is φ = 5040263520.

The previous prime is 5040263519. The next prime is 5040263549. The reversal of 5040263521 is 1253620405.

It is an a-pointer prime, because the next prime (5040263549) can be obtained adding 5040263521 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4990009600 + 50253921 = 70640^2 + 7089^2 .

It is a cyclic number.

It is not a de Polignac number, because 5040263521 - 2¹ = 5040263519 is a prime.

It is a super-2 number, since 2×5040263521² = 50808512722246634882, which contains 22 as substring.

Together with 5040263519, 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 5040263521.

It is not a weakly prime, because it can be changed into another prime (5040263021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2520131760 + 2520131761.

It is an arithmetic number, because the mean of its divisors is an integer number (2520131761).

Almost surely, 2^5040263521 is an apocalyptic number.

It is an amenable number.

5040263521 is a deficient number, since it is larger than the sum of its proper divisors (1).

5040263521 is an equidigital number, since it uses as much as digits as its factorization.

5040263521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 5040263521 is about 70994.8133387221. The cubic root of 5040263521 is about 1714.5536577554.

Adding to 5040263521 its reverse (1253620405), we get a palindrome (6293883926).

The spelling of 5040263521 in words is "five billion, forty million, two hundred sixty-three thousand, five hundred twenty-one".