4539653 has 2 divisors, whose sum is σ = 4539654. Its totient is φ = 4539652.

The previous prime is 4539649. The next prime is 4539659. The reversal of 4539653 is 3569354.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2815684 + 1723969 = 1678^2 + 1313^2 .

It is a cyclic number.

It is not a de Polignac number, because 4539653 - 2² = 4539649 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4539659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2269826 + 2269827.

It is an arithmetic number, because the mean of its divisors is an integer number (2269827).

Almost surely, 2^4539653 is an apocalyptic number.

It is an amenable number.

4539653 is a deficient number, since it is larger than the sum of its proper divisors (1).

4539653 is an equidigital number, since it uses as much as digits as its factorization.

4539653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 35.

The square root of 4539653 is about 2130.6461461256. The cubic root of 4539653 is about 165.5798758286.

Subtracting from 4539653 its reverse (3569354), we obtain a cube (970299 = 99³).

The spelling of 4539653 in words is "four million, five hundred thirty-nine thousand, six hundred fifty-three".