4540093 has 2 divisors, whose sum is σ = 4540094. Its totient is φ = 4540092.

The previous prime is 4540091. The next prime is 4540097. The reversal of 4540093 is 3900454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3034564 + 1505529 = 1742^2 + 1227^2 .

It is a cyclic number.

It is not a de Polignac number, because 4540093 - 2¹ = 4540091 is a prime.

It is a super-2 number, since 2×4540093² = 41224888897298, which contains 22 as substring.

Together with 4540091, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4540091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2270046 + 2270047.

It is an arithmetic number, because the mean of its divisors is an integer number (2270047).

Almost surely, 2^4540093 is an apocalyptic number.

It is an amenable number.

4540093 is a deficient number, since it is larger than the sum of its proper divisors (1).

4540093 is an equidigital number, since it uses as much as digits as its factorization.

4540093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 4540093 is about 2130.7493986858. The cubic root of 4540093 is about 165.5852251943.

The spelling of 4540093 in words is "four million, five hundred forty thousand, ninety-three".