4539013 has 2 divisors, whose sum is σ = 4539014. Its totient is φ = 4539012.

The previous prime is 4539011. The next prime is 4539083. The reversal of 4539013 is 3109354.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4524129 + 14884 = 2127^2 + 122^2 .

It is a cyclic number.

It is not a de Polignac number, because 4539013 - 2¹ = 4539011 is a prime.

Together with 4539011, it forms a pair of twin primes.

4539013 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4539011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2269506 + 2269507.

It is an arithmetic number, because the mean of its divisors is an integer number (2269507).

Almost surely, 2^4539013 is an apocalyptic number.

It is an amenable number.

4539013 is a deficient number, since it is larger than the sum of its proper divisors (1).

4539013 is an equidigital number, since it uses as much as digits as its factorization.

4539013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 4539013 is about 2130.4959516507. The cubic root of 4539013 is about 165.5720943161.

The spelling of 4539013 in words is "four million, five hundred thirty-nine thousand, thirteen".