1485026281 has 2 divisors, whose sum is σ = 1485026282. Its totient is φ = 1485026280.

The previous prime is 1485026267. The next prime is 1485026311. The reversal of 1485026281 is 1826205841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1437623056 + 47403225 = 37916^2 + 6885^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1485026281 is a prime.

It is a super-2 number, since 2×1485026281² = 4410606110521381922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1485026281.

It is not a weakly prime, because it can be changed into another prime (1485026251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 742513140 + 742513141.

It is an arithmetic number, because the mean of its divisors is an integer number (742513141).

Almost surely, 2^1485026281 is an apocalyptic number.

It is an amenable number.

1485026281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1485026281 is an equidigital number, since it uses as much as digits as its factorization.

1485026281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 1485026281 is about 38536.0387299992. The cubic root of 1485026281 is about 1140.8924685183.

The spelling of 1485026281 in words is "one billion, four hundred eighty-five million, twenty-six thousand, two hundred eighty-one".