1025287 has 8 divisors (see below), whose sum is σ = 1112832. Its totient is φ = 940800.

The previous prime is 1025281. The next prime is 1025303. The reversal of 1025287 is 7825201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1025287 - 2³ = 1025279 is a prime.

It is a super-3 number, since 3×1025287³ = 3233386399299944709, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025281) 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, 39 + ... + 1432.

It is an arithmetic number, because the mean of its divisors is an integer number (139104).

2^1025287 is an apocalyptic number.

1025287 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1025287 is a deficient number, since it is larger than the sum of its proper divisors (87545).

1025287 is a wasteful number, since it uses less digits than its factorization.

1025287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 1025287 is about 1012.5645658426. The cubic root of 1025287 is about 100.8358933545.

The spelling of 1025287 in words is "one million, twenty-five thousand, two hundred eighty-seven".