2521133417 has 16 divisors (see below), whose sum is σ = 2852673984. Its totient is φ = 2207880000.

The previous prime is 2521133401. The next prime is 2521133423. The reversal of 2521133417 is 7143311252.

It is a cyclic number.

It is not a de Polignac number, because 2521133417 - 2⁴ = 2521133401 is a prime.

It is a super-2 number, since 2×2521133417² = 12712227412628191778, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2521133417.

It is not an unprimeable number, because it can be changed into a prime (2521133437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10442 + ... + 71772.

It is an arithmetic number, because the mean of its divisors is an integer number (178292124).

Almost surely, 2^2521133417 is an apocalyptic number.

It is an amenable number.

2521133417 is a deficient number, since it is larger than the sum of its proper divisors (331540567).

2521133417 is a wasteful number, since it uses less digits than its factorization.

2521133417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61480.

The product of its digits is 5040, while the sum is 29.

The square root of 2521133417 is about 50210.8894264979. The cubic root of 2521133417 is about 1361.0224104334.

Adding to 2521133417 its reverse (7143311252), we get a palindrome (9664444669).

The spelling of 2521133417 in words is "two billion, five hundred twenty-one million, one hundred thirty-three thousand, four hundred seventeen".