915067481 has 2 divisors, whose sum is σ = 915067482. Its totient is φ = 915067480.

The previous prime is 915067469. The next prime is 915067523. The reversal of 915067481 is 184760519.

915067481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 906973456 + 8094025 = 30116^2 + 2845^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-915067481 is a prime.

It is a super-2 number, since 2×915067481² = 1674696989567370722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (915067451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 457533740 + 457533741.

It is an arithmetic number, because the mean of its divisors is an integer number (457533741).

Almost surely, 2^915067481 is an apocalyptic number.

It is an amenable number.

915067481 is a deficient number, since it is larger than the sum of its proper divisors (1).

915067481 is an equidigital number, since it uses as much as digits as its factorization.

915067481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 915067481 is about 30250.0823304665. The cubic root of 915067481 is about 970.8475537607.

The spelling of 915067481 in words is "nine hundred fifteen million, sixty-seven thousand, four hundred eighty-one".