2521629983 has 4 divisors (see below), whose sum is σ = 2533581048. Its totient is φ = 2509678920.

The previous prime is 2521629977. The next prime is 2521629989. The reversal of 2521629983 is 3899261252.

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

It is an interprime number because it is at equal distance from previous prime (2521629977) and next prime (2521629989).

It is a cyclic number.

It is not a de Polignac number, because 2521629983 - 2¹⁶ = 2521564447 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 (2521629989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5975216 + ... + 5975637.

It is an arithmetic number, because the mean of its divisors is an integer number (633395262).

Almost surely, 2^2521629983 is an apocalyptic number.

2521629983 is a deficient number, since it is larger than the sum of its proper divisors (11951065).

2521629983 is a wasteful number, since it uses less digits than its factorization.

2521629983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11951064.

The product of its digits is 466560, while the sum is 47.

The square root of 2521629983 is about 50215.8339869010. The cubic root of 2521629983 is about 1361.1117608665. Note that the first 3 decimals are identical.

The spelling of 2521629983 in words is "two billion, five hundred twenty-one million, six hundred twenty-nine thousand, nine hundred eighty-three".