4685281 has 4 divisors (see below), whose sum is σ = 4704964. Its totient is φ = 4665600.

The previous prime is 4685257. The next prime is 4685299. The reversal of 4685281 is 1825864.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2298256 + 2387025 = 1516^2 + 1545^2 .

It is a 6-Lehmer number, since φ(4685281) divides (4685281-1)⁶.

It is a cyclic number.

It is not a de Polignac number, because 4685281 - 2¹³ = 4677089 is a prime.

It is a super-2 number, since 2×4685281² = 43903716097922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4685201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9480 + ... + 9961.

It is an arithmetic number, because the mean of its divisors is an integer number (1176241).

Almost surely, 2^4685281 is an apocalyptic number.

It is an amenable number.

4685281 is a deficient number, since it is larger than the sum of its proper divisors (19683).

4685281 is a wasteful number, since it uses less digits than its factorization.

4685281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19682.

The product of its digits is 15360, while the sum is 34.

The square root of 4685281 is about 2164.5509927003. The cubic root of 4685281 is about 167.3318249663.

Subtracting from 4685281 its product of digits (15360), we obtain a square (4669921 = 2161²).

The spelling of 4685281 in words is "four million, six hundred eighty-five thousand, two hundred eighty-one".