3662537 has 2 divisors, whose sum is σ = 3662538. Its totient is φ = 3662536.

The previous prime is 3662521. The next prime is 3662539. The reversal of 3662537 is 7352663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3225616 + 436921 = 1796^2 + 661^2 .

It is a cyclic number.

It is not a de Polignac number, because 3662537 - 2⁴ = 3662521 is a prime.

Together with 3662539, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3662539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1831268 + 1831269.

It is an arithmetic number, because the mean of its divisors is an integer number (1831269).

Almost surely, 2^3662537 is an apocalyptic number.

It is an amenable number.

3662537 is a deficient number, since it is larger than the sum of its proper divisors (1).

3662537 is an equidigital number, since it uses as much as digits as its factorization.

3662537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 32.

The square root of 3662537 is about 1913.7755876800. The cubic root of 3662537 is about 154.1442539937.

The spelling of 3662537 in words is "three million, six hundred sixty-two thousand, five hundred thirty-seven".