8545381 has 8 divisors (see below), whose sum is σ = 9341024. Its totient is φ = 7769520.

The previous prime is 8545357. The next prime is 8545387. The reversal of 8545381 is 1835458.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8545381 - 2¹⁷ = 8414309 is a prime.

It is a super-2 number, since 2×8545381² = 146047072870322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8545387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4035 + ... + 5776.

It is an arithmetic number, because the mean of its divisors is an integer number (1167628).

Almost surely, 2^8545381 is an apocalyptic number.

It is an amenable number.

8545381 is a deficient number, since it is larger than the sum of its proper divisors (795643).

8545381 is a wasteful number, since it uses less digits than its factorization.

8545381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9891.

The product of its digits is 19200, while the sum is 34.

The square root of 8545381 is about 2923.2483644056. The cubic root of 8545381 is about 204.4453059217.

The spelling of 8545381 in words is "eight million, five hundred forty-five thousand, three hundred eighty-one".