62639 has 2 divisors, whose sum is σ = 62640. Its totient is φ = 62638.

The previous prime is 62633. The next prime is 62653. The reversal of 62639 is 93626.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 62639 - 2⁸ = 62383 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (62633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31319 + 31320.

It is an arithmetic number, because the mean of its divisors is an integer number (31320).

2⁶²⁶³⁹ is an apocalyptic number.

62639 is a deficient number, since it is larger than the sum of its proper divisors (1).

62639 is an equidigital number, since it uses as much as digits as its factorization.

62639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 26.

The square root of 62639 is about 250.2778456036. The cubic root of 62639 is about 39.7144243490.

The spelling of 62639 in words is "sixty-two thousand, six hundred thirty-nine".