4527251381 has 2 divisors, whose sum is σ = 4527251382. Its totient is φ = 4527251380.

The previous prime is 4527251327. The next prime is 4527251411. The reversal of 4527251381 is 1831527254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2341688881 + 2185562500 = 48391^2 + 46750^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4527251381 is a prime.

It is a super-2 number, since 2×4527251381² = 40992010133532814322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4527251321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2263625690 + 2263625691.

It is an arithmetic number, because the mean of its divisors is an integer number (2263625691).

Almost surely, 2^4527251381 is an apocalyptic number.

It is an amenable number.

4527251381 is a deficient number, since it is larger than the sum of its proper divisors (1).

4527251381 is an equidigital number, since it uses as much as digits as its factorization.

4527251381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67200, while the sum is 38.

The square root of 4527251381 is about 67284.8525375511. The cubic root of 4527251381 is about 1654.2895891305.

The spelling of 4527251381 in words is "four billion, five hundred twenty-seven million, two hundred fifty-one thousand, three hundred eighty-one".