1011613 has 4 divisors (see below), whose sum is σ = 1022140. Its totient is φ = 1001088.

The previous prime is 1011601. The next prime is 1011631. The reversal of 1011613 is 3161101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 806404 + 205209 = 898^2 + 453^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011613 - 2¹⁷ = 880541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011593 and 1011602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011013) 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, 5118 + ... + 5311.

It is an arithmetic number, because the mean of its divisors is an integer number (255535).

2^1011613 is an apocalyptic number.

It is an amenable number.

1011613 is a deficient number, since it is larger than the sum of its proper divisors (10527).

1011613 is an equidigital number, since it uses as much as digits as its factorization.

1011613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10526.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1011613 is about 1005.7897394585. The cubic root of 1011613 is about 100.3856111293.

Adding to 1011613 its reverse (3161101), we get a palindrome (4172714).

The spelling of 1011613 in words is "one million, eleven thousand, six hundred thirteen".