1025807 has 2 divisors, whose sum is σ = 1025808. Its totient is φ = 1025806.

The previous prime is 1025803. The next prime is 1025819. The reversal of 1025807 is 7085201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1025807 - 2² = 1025803 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512903 + 512904.

It is an arithmetic number, because the mean of its divisors is an integer number (512904).

2^1025807 is an apocalyptic number.

1025807 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025807 is an equidigital number, since it uses as much as digits as its factorization.

1025807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 1025807 is about 1012.8213070429. The cubic root of 1025807 is about 100.8529376236.

The spelling of 1025807 in words is "one million, twenty-five thousand, eight hundred seven".