2521214161 has 8 divisors (see below), whose sum is σ = 2660394240. Its totient is φ = 2384497632.

The previous prime is 2521214099. The next prime is 2521214183. The reversal of 2521214161 is 1614121252.

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 2521214161 - 2⁹ = 2521213649 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2521214261) 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, 613785 + ... + 617878.

It is an arithmetic number, because the mean of its divisors is an integer number (332549280).

Almost surely, 2^2521214161 is an apocalyptic number.

It is an amenable number.

2521214161 is a deficient number, since it is larger than the sum of its proper divisors (139180079).

2521214161 is a wasteful number, since it uses less digits than its factorization.

2521214161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231775.

The product of its digits is 960, while the sum is 25.

The square root of 2521214161 is about 50211.6934687529. The cubic root of 2521214161 is about 1361.0369400387.

The spelling of 2521214161 in words is "two billion, five hundred twenty-one million, two hundred fourteen thousand, one hundred sixty-one".