1025983 has 8 divisors (see below), whose sum is σ = 1184768. Its totient is φ = 870264.

The previous prime is 1025957. The next prime is 1026029. The reversal of 1025983 is 3895201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1025983 is a prime.

It is a super-2 number, since 2×1025983² = 2105282232578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10 + ... + 1432.

It is an arithmetic number, because the mean of its divisors is an integer number (148096).

2^1025983 is an apocalyptic number.

1025983 is a deficient number, since it is larger than the sum of its proper divisors (158785).

1025983 is a wasteful number, since it uses less digits than its factorization.

1025983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1025983 is about 1012.9081893242. The cubic root of 1025983 is about 100.8587051484.

The spelling of 1025983 in words is "one million, twenty-five thousand, nine hundred eighty-three".