8015481 has 6 divisors (see below), whose sum is σ = 11577930. Its totient is φ = 5343648.

The previous prime is 8015443. The next prime is 8015489. The reversal of 8015481 is 1845108.

It can be written as a sum of positive squares in only one way, i.e., 7868025 + 147456 = 2805^2 + 384^2 .

It is not a de Polignac number, because 8015481 - 2¹¹ = 8013433 is a prime.

It is a super-2 number, since 2×8015481² = 128495871322722, which contains 22 as substring.

8015481 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8015489) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 445296 + ... + 445313.

It is an arithmetic number, because the mean of its divisors is an integer number (1929655).

Almost surely, 2^8015481 is an apocalyptic number.

It is an amenable number.

8015481 is a deficient number, since it is larger than the sum of its proper divisors (3562449).

8015481 is a wasteful number, since it uses less digits than its factorization.

8015481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890615 (or 890612 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 8015481 is about 2831.1624820911. The cubic root of 8015481 is about 200.1289252069.

The spelling of 8015481 in words is "eight million, fifteen thousand, four hundred eighty-one".