3042041521 has 4 divisors (see below), whose sum is σ = 3065263344. Its totient is φ = 3018819700.

The previous prime is 3042041503. The next prime is 3042041537. The reversal of 3042041521 is 1251402403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1251402403 = 29 ⋅43151807.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3042041521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3042041492 and 3042041501.

It is not an unprimeable number, because it can be changed into a prime (3042041581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11610715 + ... + 11610976.

It is an arithmetic number, because the mean of its divisors is an integer number (766315836).

Almost surely, 2^3042041521 is an apocalyptic number.

It is an amenable number.

3042041521 is a deficient number, since it is larger than the sum of its proper divisors (23221823).

3042041521 is a wasteful number, since it uses less digits than its factorization.

3042041521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23221822.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 3042041521 is about 55154.7053387107. The cubic root of 3042041521 is about 1448.9554936691.

Adding to 3042041521 its reverse (1251402403), we get a palindrome (4293443924).

The spelling of 3042041521 in words is "three billion, forty-two million, forty-one thousand, five hundred twenty-one".