4540502 has 4 divisors (see below), whose sum is σ = 6810756. Its totient is φ = 2270250.

The previous prime is 4540493. The next prime is 4540507. The reversal of 4540502 is 2050454.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4540507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1135124 + ... + 1135127.

It is an arithmetic number, because the mean of its divisors is an integer number (1702689).

Almost surely, 2^4540502 is an apocalyptic number.

4540502 is a deficient number, since it is larger than the sum of its proper divisors (2270254).

4540502 is a wasteful number, since it uses less digits than its factorization.

4540502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2270253.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 4540502 is about 2130.8453721469. The cubic root of 4540502 is about 165.5901973629.

Adding to 4540502 its reverse (2050454), we get a palindrome (6590956).

The spelling of 4540502 in words is "four million, five hundred forty thousand, five hundred two".