152639 has 2 divisors, whose sum is σ = 152640. Its totient is φ = 152638.

The previous prime is 152629. The next prime is 152641. The reversal of 152639 is 936251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 152639 - 2⁴ = 152623 is a prime.

Together with 152641, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76319 + 76320.

It is an arithmetic number, because the mean of its divisors is an integer number (76320).

2¹⁵²⁶³⁹ is an apocalyptic number.

152639 is a deficient number, since it is larger than the sum of its proper divisors (1).

152639 is an equidigital number, since it uses as much as digits as its factorization.

152639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 26.

The square root of 152639 is about 390.6904145228. The cubic root of 152639 is about 53.4427138877.

The spelling of 152639 in words is "one hundred fifty-two thousand, six hundred thirty-nine".