3817015481 has 2 divisors, whose sum is σ = 3817015482. Its totient is φ = 3817015480.

The previous prime is 3817015471. The next prime is 3817015493. The reversal of 3817015481 is 1845107183.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3502272400 + 314743081 = 59180^2 + 17741^2 .

It is an emirp because it is prime and its reverse (1845107183) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3817015481 is a prime.

It is a super-2 number, since 2×3817015481² = 29139214364387322722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3817015441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1908507740 + 1908507741.

It is an arithmetic number, because the mean of its divisors is an integer number (1908507741).

Almost surely, 2^3817015481 is an apocalyptic number.

It is an amenable number.

3817015481 is a deficient number, since it is larger than the sum of its proper divisors (1).

3817015481 is an equidigital number, since it uses as much as digits as its factorization.

3817015481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 38.

The square root of 3817015481 is about 61781.9996520022. Note that the first 3 decimals coincide. The cubic root of 3817015481 is about 1562.8164495784.

The spelling of 3817015481 in words is "three billion, eight hundred seventeen million, fifteen thousand, four hundred eighty-one".