1025985 has 8 divisors (see below), whose sum is σ = 1641600. Its totient is φ = 547184.

The previous prime is 1025957. The next prime is 1026029. The reversal of 1025985 is 5895201.

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

It is a cyclic number.

It is not a de Polignac number, because 1025985 - 2¹⁴ = 1009601 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34185 + ... + 34214.

It is an arithmetic number, because the mean of its divisors is an integer number (205200).

2^1025985 is an apocalyptic number.

1025985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1025985 is a deficient number, since it is larger than the sum of its proper divisors (615615).

1025985 is an equidigital number, since it uses as much as digits as its factorization.

1025985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68407.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 1025985 is about 1012.9091765800. The cubic root of 1025985 is about 100.8587706847.

The spelling of 1025985 in words is "one million, twenty-five thousand, nine hundred eighty-five".