1025385 has 16 divisors (see below), whose sum is σ = 1653696. Its totient is φ = 542528.

The previous prime is 1025383. The next prime is 1025393. The reversal of 1025385 is 5835201.

It is a cyclic number.

It is not a de Polignac number, because 1025385 - 2¹ = 1025383 is a prime.

It is an Ulam number.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 2782 + ... + 3128.

It is an arithmetic number, because the mean of its divisors is an integer number (103356).

2^1025385 is an apocalyptic number.

1025385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1025385 is a deficient number, since it is larger than the sum of its proper divisors (628311).

1025385 is a wasteful number, since it uses less digits than its factorization.

1025385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1025385 is about 1012.6129566621. The cubic root of 1025385 is about 100.8391059844.

The spelling of 1025385 in words is "one million, twenty-five thousand, three hundred eighty-five".