4540311 has 6 divisors (see below), whose sum is σ = 6558240. Its totient is φ = 3026868.

The previous prime is 4540303. The next prime is 4540313. The reversal of 4540311 is 1130454.

It is a happy number.

It is not a de Polignac number, because 4540311 - 2³ = 4540303 is a prime.

It is a super-2 number, since 2×4540311² = 41228847953442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4540313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 252231 + ... + 252248.

It is an arithmetic number, because the mean of its divisors is an integer number (1093040).

Almost surely, 2^4540311 is an apocalyptic number.

4540311 is a deficient number, since it is larger than the sum of its proper divisors (2017929).

4540311 is a wasteful number, since it uses less digits than its factorization.

4540311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504485 (or 504482 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 4540311 is about 2130.8005537825. The cubic root of 4540311 is about 165.5878754338.

Adding to 4540311 its reverse (1130454), we get a palindrome (5670765).

It can be divided in two parts, 4540 and 311, that added together give a triangular number (4851 = T₉₈).

The spelling of 4540311 in words is "four million, five hundred forty thousand, three hundred eleven".