3001125621 has 16 divisors (see below), whose sum is σ = 4349588544. Its totient is φ = 1829583744.

The previous prime is 3001125613. The next prime is 3001125643. The reversal of 3001125621 is 1265211003.

It is not a de Polignac number, because 3001125621 - 2³ = 3001125613 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3001125691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355416 + ... + 363761.

It is an arithmetic number, because the mean of its divisors is an integer number (271849284).

Almost surely, 2^3001125621 is an apocalyptic number.

It is an amenable number.

3001125621 is a deficient number, since it is larger than the sum of its proper divisors (1348462923).

3001125621 is a wasteful number, since it uses less digits than its factorization.

3001125621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719300.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 3001125621 is about 54782.5302537223. The cubic root of 3001125621 is about 1442.4299284636.

Adding to 3001125621 its reverse (1265211003), we get a palindrome (4266336624).

The spelling of 3001125621 in words is "three billion, one million, one hundred twenty-five thousand, six hundred twenty-one".