156552563 has 2 divisors, whose sum is σ = 156552564. Its totient is φ = 156552562.

The previous prime is 156552553. The next prime is 156552589. The reversal of 156552563 is 365255651.

It is a weak prime.

It is an emirp because it is prime and its reverse (365255651) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 156552563 - 2⁶ = 156552499 is a prime.

It is not a weakly prime, because it can be changed into another prime (156552553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78276281 + 78276282.

It is an arithmetic number, because the mean of its divisors is an integer number (78276282).

Almost surely, 2^156552563 is an apocalyptic number.

156552563 is a deficient number, since it is larger than the sum of its proper divisors (1).

156552563 is an equidigital number, since it uses as much as digits as its factorization.

156552563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 135000, while the sum is 38.

The square root of 156552563 is about 12512.0966668261. The cubic root of 156552563 is about 538.9561028683.

The spelling of 156552563 in words is "one hundred fifty-six million, five hundred fifty-two thousand, five hundred sixty-three".