2521199 has 8 divisors (see below), whose sum is σ = 2623488. Its totient is φ = 2420280.

The previous prime is 2521171. The next prime is 2521223. The reversal of 2521199 is 9911252.

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

It is a cyclic number.

It is not a de Polignac number, because 2521199 - 2⁸ = 2520943 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 (2521499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4934 + ... + 5420.

It is an arithmetic number, because the mean of its divisors is an integer number (327936).

2^2521199 is an apocalyptic number.

2521199 is a deficient number, since it is larger than the sum of its proper divisors (102289).

2521199 is a wasteful number, since it uses less digits than its factorization.

2521199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685.

The product of its digits is 1620, while the sum is 29.

The square root of 2521199 is about 1587.8283912312. The cubic root of 2521199 is about 136.1034211893.

The spelling of 2521199 in words is "two million, five hundred twenty-one thousand, one hundred ninety-nine".