1159523 has 2 divisors, whose sum is σ = 1159524. Its totient is φ = 1159522.

The previous prime is 1159517. The next prime is 1159531. The reversal of 1159523 is 3259511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1159523 - 2²⁰ = 110947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1159492 and 1159501.

It is not a weakly prime, because it can be changed into another prime (1159583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 579761 + 579762.

It is an arithmetic number, because the mean of its divisors is an integer number (579762).

2^1159523 is an apocalyptic number.

1159523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1159523 is an equidigital number, since it uses as much as digits as its factorization.

1159523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1350, while the sum is 26.

The square root of 1159523 is about 1076.8114969669. The cubic root of 1159523 is about 105.0573533982.

The spelling of 1159523 in words is "one million, one hundred fifty-nine thousand, five hundred twenty-three".