4540357 has 2 divisors, whose sum is σ = 4540358. Its totient is φ = 4540356.

The previous prime is 4540337. The next prime is 4540363. The reversal of 4540357 is 7530454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3272481 + 1267876 = 1809^2 + 1126^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4540357 is a prime.

It is a super-2 number, since 2×4540357² = 41229683374898, which contains 22 as substring.

It is a Chen prime.

4540357 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4540337) 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 as a sum of consecutive naturals, namely, 2270178 + 2270179.

It is an arithmetic number, because the mean of its divisors is an integer number (2270179).

Almost surely, 2^4540357 is an apocalyptic number.

It is an amenable number.

4540357 is a deficient number, since it is larger than the sum of its proper divisors (1).

4540357 is an equidigital number, since it uses as much as digits as its factorization.

4540357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 4540357 is about 2130.8113478204. The cubic root of 4540357 is about 165.5884346478.

The spelling of 4540357 in words is "four million, five hundred forty thousand, three hundred fifty-seven".