8521373 has 16 divisors (see below), whose sum is σ = 10174464. Its totient is φ = 6983280.

The previous prime is 8521343. The next prime is 8521391. The reversal of 8521373 is 3731258.

It is a cyclic number.

It is not a de Polignac number, because 8521373 - 2¹² = 8517277 is a prime.

It is a super-2 number, since 2×8521373² = 145227595610258, 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 (8521343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23036 + ... + 23402.

It is an arithmetic number, because the mean of its divisors is an integer number (635904).

Almost surely, 2^8521373 is an apocalyptic number.

It is an amenable number.

8521373 is a deficient number, since it is larger than the sum of its proper divisors (1653091).

8521373 is a wasteful number, since it uses less digits than its factorization.

8521373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512.

The product of its digits is 5040, while the sum is 29.

The square root of 8521373 is about 2919.1390854154. The cubic root of 8521373 is about 204.2536652880.

The spelling of 8521373 in words is "eight million, five hundred twenty-one thousand, three hundred seventy-three".