1165410523 has 2 divisors, whose sum is σ = 1165410524. Its totient is φ = 1165410522.

The previous prime is 1165410511. The next prime is 1165410557. The reversal of 1165410523 is 3250145611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1165410523 - 2²⁵ = 1131856091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1165410491 and 1165410500.

It is not a weakly prime, because it can be changed into another prime (1165410583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582705261 + 582705262.

It is an arithmetic number, because the mean of its divisors is an integer number (582705262).

Almost surely, 2^1165410523 is an apocalyptic number.

1165410523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1165410523 is an equidigital number, since it uses as much as digits as its factorization.

1165410523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1165410523 is about 34138.1095405121. The cubic root of 1165410523 is about 1052.3486422570.

The spelling of 1165410523 in words is "one billion, one hundred sixty-five million, four hundred ten thousand, five hundred twenty-three".