2001522413 has 8 divisors (see below), whose sum is σ = 2200673280. Its totient is φ = 1805237280.

The previous prime is 2001522403. The next prime is 2001522463. The reversal of 2001522413 is 3142251002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2001522413 - 2⁶ = 2001522349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001522403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 714968 + ... + 717761.

It is an arithmetic number, because the mean of its divisors is an integer number (275084160).

Almost surely, 2^2001522413 is an apocalyptic number.

It is an amenable number.

2001522413 is a deficient number, since it is larger than the sum of its proper divisors (199150867).

2001522413 is a wasteful number, since it uses less digits than its factorization.

2001522413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432867.

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

The square root of 2001522413 is about 44738.3774068752. The cubic root of 2001522413 is about 1260.2406555109.

Adding to 2001522413 its reverse (3142251002), we get a palindrome (5143773415).

The spelling of 2001522413 in words is "two billion, one million, five hundred twenty-two thousand, four hundred thirteen".