4538537 has 2 divisors, whose sum is σ = 4538538. Its totient is φ = 4538536.

The previous prime is 4538519. The next prime is 4538543. The reversal of 4538537 is 7358354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2785561 + 1752976 = 1669^2 + 1324^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4538537 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4538497 and 4538506.

It is not a weakly prime, because it can be changed into another prime (4538557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2269268 + 2269269.

It is an arithmetic number, because the mean of its divisors is an integer number (2269269).

Almost surely, 2^4538537 is an apocalyptic number.

It is an amenable number.

4538537 is a deficient number, since it is larger than the sum of its proper divisors (1).

4538537 is an equidigital number, since it uses as much as digits as its factorization.

4538537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 35.

The square root of 4538537 is about 2130.3842376435. The cubic root of 4538537 is about 165.5663063417.

The spelling of 4538537 in words is "four million, five hundred thirty-eight thousand, five hundred thirty-seven".