1085613 has 4 divisors (see below), whose sum is σ = 1447488. Its totient is φ = 723740.

The previous prime is 1085611. The next prime is 1085627. The reversal of 1085613 is 3165801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3165801 = 3 ⋅1055267.

It is a cyclic number.

It is not a de Polignac number, because 1085613 - 2¹ = 1085611 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180933 + ... + 180938.

It is an arithmetic number, because the mean of its divisors is an integer number (361872).

2^1085613 is an apocalyptic number.

It is an amenable number.

1085613 is a deficient number, since it is larger than the sum of its proper divisors (361875).

1085613 is an equidigital number, since it uses as much as digits as its factorization.

1085613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361874.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1085613 is about 1041.9275406668. The cubic root of 1085613 is about 102.7759922640.

The spelling of 1085613 in words is "one million, eighty-five thousand, six hundred thirteen".