4012925281 has 2 divisors, whose sum is σ = 4012925282. Its totient is φ = 4012925280.

The previous prime is 4012925261. The next prime is 4012925303. The reversal of 4012925281 is 1825292104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3863865600 + 149059681 = 62160^2 + 12209^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4012925281 is a prime.

It is a super-2 number, since 2×4012925281² = 32207138621777857922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4012925201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2006462640 + 2006462641.

It is an arithmetic number, because the mean of its divisors is an integer number (2006462641).

Almost surely, 2^4012925281 is an apocalyptic number.

It is an amenable number.

4012925281 is a deficient number, since it is larger than the sum of its proper divisors (1).

4012925281 is an equidigital number, since it uses as much as digits as its factorization.

4012925281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 4012925281 is about 63347.6541081041. The cubic root of 4012925281 is about 1589.1090140177.

The spelling of 4012925281 in words is "four billion, twelve million, nine hundred twenty-five thousand, two hundred eighty-one".