5152451921 has 2 divisors, whose sum is σ = 5152451922. Its totient is φ = 5152451920.

The previous prime is 5152451897. The next prime is 5152451923. The reversal of 5152451921 is 1291542515.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5152368400 + 83521 = 71780^2 + 289^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5152451921 is a prime.

Together with 5152451923, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5152451923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2576225960 + 2576225961.

It is an arithmetic number, because the mean of its divisors is an integer number (2576225961).

Almost surely, 2^5152451921 is an apocalyptic number.

It is an amenable number.

5152451921 is a deficient number, since it is larger than the sum of its proper divisors (1).

5152451921 is an equidigital number, since it uses as much as digits as its factorization.

5152451921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18000, while the sum is 35.

The square root of 5152451921 is about 71780.5817822620. The cubic root of 5152451921 is about 1727.1815201442.

The spelling of 5152451921 in words is "five billion, one hundred fifty-two million, four hundred fifty-one thousand, nine hundred twenty-one".