1571959 has 2 divisors, whose sum is σ = 1571960. Its totient is φ = 1571958.

The previous prime is 1571957. The next prime is 1571989. The reversal of 1571959 is 9591751.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1571959 - 2¹ = 1571957 is a prime.

Together with 1571957, 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 (1571953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 785979 + 785980.

It is an arithmetic number, because the mean of its divisors is an integer number (785980).

2^1571959 is an apocalyptic number.

1571959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1571959 is an equidigital number, since it uses as much as digits as its factorization.

1571959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14175, while the sum is 37.

The square root of 1571959 is about 1253.7778910158. Note that the first 3 decimals coincide. The cubic root of 1571959 is about 116.2734087827.

It can be divided in two parts, 157 and 1959, that added together give a square (2116 = 46²).

The spelling of 1571959 in words is "one million, five hundred seventy-one thousand, nine hundred fifty-nine".