863725 has 6 divisors (see below), whose sum is σ = 1071050. Its totient is φ = 690960.

The previous prime is 863711. The next prime is 863729. The reversal of 863725 is 527368.

It can be written as a sum of positive squares in 3 ways, for example, as 233289 + 630436 = 483^2 + 794^2 .

It is not a de Polignac number, because 863725 - 2⁵ = 863693 is a prime.

It is a d-powerful number, because it can be written as 8³ + 6³ + 7⁷ + 3⁸ + 2¹⁵ + 5³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863729) 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 5 ways as a sum of consecutive naturals, for example, 17250 + ... + 17299.

2⁸⁶³⁷²⁵ is an apocalyptic number.

It is an amenable number.

863725 is a deficient number, since it is larger than the sum of its proper divisors (207325).

863725 is a wasteful number, since it uses less digits than its factorization.

863725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34559 (or 34554 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 863725 is about 929.3680648699. The cubic root of 863725 is about 95.2339570623.

The spelling of 863725 in words is "eight hundred sixty-three thousand, seven hundred twenty-five".