4621281 has 16 divisors (see below), whose sum is σ = 7073664. Its totient is φ = 2628864.

The previous prime is 4621277. The next prime is 4621283. The reversal of 4621281 is 1821264.

It is not a de Polignac number, because 4621281 - 2² = 4621277 is a prime.

It is a super-2 number, since 2×4621281² = 42712476161922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4621283) 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, 6751 + ... + 7403.

It is an arithmetic number, because the mean of its divisors is an integer number (442104).

Almost surely, 2^4621281 is an apocalyptic number.

It is an amenable number.

4621281 is a deficient number, since it is larger than the sum of its proper divisors (2452383).

4621281 is a wasteful number, since it uses less digits than its factorization.

4621281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000.

The product of its digits is 768, while the sum is 24.

The square root of 4621281 is about 2149.7164929358. The cubic root of 4621281 is about 166.5664228302.

The spelling of 4621281 in words is "four million, six hundred twenty-one thousand, two hundred eighty-one".