1025597 has 4 divisors (see below), whose sum is σ = 1043040. Its totient is φ = 1008156.

The previous prime is 1025579. The next prime is 1025611. The reversal of 1025597 is 7955201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7955201 = 17 ⋅467953.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1025597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025537) 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 in 3 ways as a sum of consecutive naturals, for example, 8633 + ... + 8750.

It is an arithmetic number, because the mean of its divisors is an integer number (260760).

2^1025597 is an apocalyptic number.

It is an amenable number.

1025597 is a deficient number, since it is larger than the sum of its proper divisors (17443).

1025597 is an equidigital number, since it uses as much as digits as its factorization.

1025597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17442.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 1025597 is about 1012.7176309317. The cubic root of 1025597 is about 100.8460550546.

It can be divided in two parts, 10 and 25597, that multiplied together give a triangular number (255970 = T₇₁₅).

The spelling of 1025597 in words is "one million, twenty-five thousand, five hundred ninety-seven".