1025783 has 4 divisors (see below), whose sum is σ = 1119048. Its totient is φ = 932520.

The previous prime is 1025767. The next prime is 1025789. The reversal of 1025783 is 3875201.

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

It is a cyclic number.

It is not a de Polignac number, because 1025783 - 2⁴ = 1025767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025789) 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, 46616 + ... + 46637.

It is an arithmetic number, because the mean of its divisors is an integer number (279762).

2^1025783 is an apocalyptic number.

1025783 is a deficient number, since it is larger than the sum of its proper divisors (93265).

1025783 is an equidigital number, since it uses as much as digits as its factorization.

1025783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93264.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 1025783 is about 1012.8094588816. The cubic root of 1025783 is about 100.8521510919.

It can be divided in two parts, 102 and 5783, that added together give a palindrome (5885).

The spelling of 1025783 in words is "one million, twenty-five thousand, seven hundred eighty-three".