4540261 has 8 divisors (see below), whose sum is σ = 4981248. Its totient is φ = 4104000.

The previous prime is 4540231. The next prime is 4540303. The reversal of 4540261 is 1620454.

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 4540261 - 2⁹ = 4539749 is a prime.

It is a super-2 number, since 2×4540261² = 41227939896242, 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 (4540201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1021 + ... + 3181.

It is an arithmetic number, because the mean of its divisors is an integer number (622656).

Almost surely, 2^4540261 is an apocalyptic number.

It is an amenable number.

4540261 is a deficient number, since it is larger than the sum of its proper divisors (440987).

4540261 is a wasteful number, since it uses less digits than its factorization.

4540261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2363.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 4540261 is about 2130.7888210707. The cubic root of 4540261 is about 165.5872675882.

The spelling of 4540261 in words is "four million, five hundred forty thousand, two hundred sixty-one".