1055613 has 8 divisors (see below), whose sum is σ = 1515808. Its totient is φ = 649584.

The previous prime is 1055611. The next prime is 1055671. The reversal of 1055613 is 3165501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1055613 - 2¹ = 1055611 is a prime.

It is a super-2 number, since 2×1055613² = 2228637611538, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1055613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13495 + ... + 13572.

It is an arithmetic number, because the mean of its divisors is an integer number (189476).

2^1055613 is an apocalyptic number.

1055613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1055613 is a deficient number, since it is larger than the sum of its proper divisors (460195).

1055613 is a wasteful number, since it uses less digits than its factorization.

1055613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27083.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 1055613 is about 1027.4302896061. The cubic root of 1055613 is about 101.8204260627.

The spelling of 1055613 in words is "one million, fifty-five thousand, six hundred thirteen".