6040002521 has 32 divisors (see below), whose sum is σ = 7388129280. Its totient is φ = 4826304000.

The previous prime is 6040002509. The next prime is 6040002523. The reversal of 6040002521 is 1252000406.

It is a happy number.

It is not a de Polignac number, because 6040002521 - 2¹⁰ = 6040001497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6040002493 and 6040002502.

It is not an unprimeable number, because it can be changed into a prime (6040002523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3781295 + ... + 3782891.

It is an arithmetic number, because the mean of its divisors is an integer number (230879040).

Almost surely, 2^6040002521 is an apocalyptic number.

It is an amenable number.

6040002521 is a deficient number, since it is larger than the sum of its proper divisors (1348126759).

6040002521 is a wasteful number, since it uses less digits than its factorization.

6040002521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 6040002521 is about 77717.4531299116. The cubic root of 6040002521 is about 1821.1499516199.

Adding to 6040002521 its reverse (1252000406), we get a palindrome (7292002927).

The spelling of 6040002521 in words is "six billion, forty million, two thousand, five hundred twenty-one".