2521214803 has 4 divisors (see below), whose sum is σ = 2529168480. Its totient is φ = 2513261128.

The previous prime is 2521214783. The next prime is 2521214807. The reversal of 2521214803 is 3084121252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2521214803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2521214807) 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 3 ways as a sum of consecutive naturals, for example, 3976363 + ... + 3976996.

It is an arithmetic number, because the mean of its divisors is an integer number (632292120).

Almost surely, 2^2521214803 is an apocalyptic number.

2521214803 is a deficient number, since it is larger than the sum of its proper divisors (7953677).

2521214803 is an equidigital number, since it uses as much as digits as its factorization.

2521214803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7953676.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 2521214803 is about 50211.6998616856. The cubic root of 2521214803 is about 1361.0370555632.

The spelling of 2521214803 in words is "two billion, five hundred twenty-one million, two hundred fourteen thousand, eight hundred three".