1025659 has 2 divisors, whose sum is σ = 1025660. Its totient is φ = 1025658.

The previous prime is 1025653. The next prime is 1025669. The reversal of 1025659 is 9565201.

It is a weak prime.

It is an emirp because it is prime and its reverse (9565201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1025659 - 2⁹ = 1025147 is a prime.

It is not a weakly prime, because it can be changed into another prime (1025653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512829 + 512830.

It is an arithmetic number, because the mean of its divisors is an integer number (512830).

2^1025659 is an apocalyptic number.

1025659 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025659 is an equidigital number, since it uses as much as digits as its factorization.

1025659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 1025659 is about 1012.7482411735. The cubic root of 1025659 is about 100.8480871489.

The spelling of 1025659 in words is "one million, twenty-five thousand, six hundred fifty-nine".