662537 has 2 divisors, whose sum is σ = 662538. Its totient is φ = 662536.

The previous prime is 662531. The next prime is 662539. The reversal of 662537 is 735266.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 606841 + 55696 = 779^2 + 236^2 .

It is a cyclic number.

It is not a de Polignac number, because 662537 - 2⁸ = 662281 is a prime.

Together with 662539, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 6 + 6 + 5 + 2¹⁷ + 3¹² + 7 .

It is not a weakly prime, because it can be changed into another prime (662531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331268 + 331269.

It is an arithmetic number, because the mean of its divisors is an integer number (331269).

2⁶⁶²⁵³⁷ is an apocalyptic number.

It is an amenable number.

662537 is a deficient number, since it is larger than the sum of its proper divisors (1).

662537 is an equidigital number, since it uses as much as digits as its factorization.

662537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 29.

The square root of 662537 is about 813.9637584070. The cubic root of 662537 is about 87.1772929260.

The spelling of 662537 in words is "six hundred sixty-two thousand, five hundred thirty-seven".