1025810 has 16 divisors (see below), whose sum is σ = 1944000. Its totient is φ = 388656.

The previous prime is 1025807. The next prime is 1025819. The reversal of 1025810 is 185201.

It is a super-2 number, since 2×1025810² = 2104572312200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1025819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2510 + ... + 2889.

It is an arithmetic number, because the mean of its divisors is an integer number (121500).

2^1025810 is an apocalyptic number.

1025810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1025810 is a deficient number, since it is larger than the sum of its proper divisors (918190).

1025810 is a wasteful number, since it uses less digits than its factorization.

1025810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5425.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 1025810 is about 1012.8227880533. The cubic root of 1025810 is about 100.8530359392.

The spelling of 1025810 in words is "one million, twenty-five thousand, eight hundred ten".