8537481 has 10 divisors (see below), whose sum is σ = 12753642. Its totient is φ = 5691600.

The previous prime is 8537467. The next prime is 8537497. The reversal of 8537481 is 1847358.

It can be written as a sum of positive squares in only one way, i.e., 4473225 + 4064256 = 2115^2 + 2016^2 .

It is not a de Polignac number, because 8537481 - 2¹⁰ = 8536457 is a prime.

It is a super-2 number, since 2×8537481² = 145777163650722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8537411) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 52620 + ... + 52781.

Almost surely, 2^8537481 is an apocalyptic number.

8537481 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

8537481 is a deficient number, since it is larger than the sum of its proper divisors (4216161).

8537481 is a wasteful number, since it uses less digits than its factorization.

8537481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105413 (or 105404 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 8537481 is about 2921.8968154266. The cubic root of 8537481 is about 204.3822849015.

The spelling of 8537481 in words is "eight million, five hundred thirty-seven thousand, four hundred eighty-one".