869425 has 12 divisors (see below), whose sum is σ = 1093680. Its totient is φ = 685520.

The previous prime is 869419. The next prime is 869437. The reversal of 869425 is 524968.

It is a happy number.

It is not a de Polignac number, because 869425 - 2¹⁵ = 836657 is a prime.

It is a plaindrome in base 14.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1866 + ... + 2284.

It is an arithmetic number, because the mean of its divisors is an integer number (91140).

2⁸⁶⁹⁴²⁵ is an apocalyptic number.

It is an amenable number.

869425 is a deficient number, since it is larger than the sum of its proper divisors (224255).

869425 is a wasteful number, since it uses less digits than its factorization.

869425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512 (or 507 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 869425 is about 932.4296220091. The cubic root of 869425 is about 95.4429911116.

The spelling of 869425 in words is "eight hundred sixty-nine thousand, four hundred twenty-five".