1035813 has 4 divisors (see below), whose sum is σ = 1381088. Its totient is φ = 690540.

The previous prime is 1035791. The next prime is 1035829. The reversal of 1035813 is 3185301.

It is a happy number.

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.

It is not a de Polignac number, because 1035813 - 2⁵ = 1035781 is a prime.

It is a super-3 number, since 3×1035813³ = 3333997936863338391, which contains 333 as substring.

It is a D-number.

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 1035813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1035893) 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, 172633 + ... + 172638.

It is an arithmetic number, because the mean of its divisors is an integer number (345272).

2^1035813 is an apocalyptic number.

It is an amenable number.

1035813 is a deficient number, since it is larger than the sum of its proper divisors (345275).

1035813 is an equidigital number, since it uses as much as digits as its factorization.

1035813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345274.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1035813 is about 1017.7489867349. The cubic root of 1035813 is about 101.1797928169.

The spelling of 1035813 in words is "one million, thirty-five thousand, eight hundred thirteen".