1025575 has 6 divisors (see below), whose sum is σ = 1271744. Its totient is φ = 820440.

The previous prime is 1025561. The next prime is 1025579. The reversal of 1025575 is 5755201.

It is a happy number.

It is not a de Polignac number, because 1025575 - 2⁵ = 1025543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 41023 = 1025575 / (1 + 0 + 2 + 5 + 5 + 7 + 5).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025579) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20487 + ... + 20536.

2^1025575 is an apocalyptic number.

1025575 is a deficient number, since it is larger than the sum of its proper divisors (246169).

1025575 is an equidigital number, since it uses as much as digits as its factorization.

1025575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41033 (or 41028 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 1025575 is about 1012.7067690107. The cubic root of 1025575 is about 100.8453339692.

It can be divided in two parts, 1025 and 575, that added together give a square (1600 = 40²).

The spelling of 1025575 in words is "one million, twenty-five thousand, five hundred seventy-five".