478525 has 6 divisors (see below), whose sum is σ = 593402. Its totient is φ = 382800.

The previous prime is 478523. The next prime is 478531. The reversal of 478525 is 525874.

It can be written as a sum of positive squares in 3 ways, for example, as 34969 + 443556 = 187^2 + 666^2 .

It is not a de Polignac number, because 478525 - 2¹ = 478523 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478523) 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, 9546 + ... + 9595.

2⁴⁷⁸⁵²⁵ is an apocalyptic number.

It is an amenable number.

478525 is a deficient number, since it is larger than the sum of its proper divisors (114877).

478525 is a wasteful number, since it uses less digits than its factorization.

478525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19151 (or 19146 counting only the distinct ones).

The product of its digits is 11200, while the sum is 31.

The square root of 478525 is about 691.7550144379. The cubic root of 478525 is about 78.2170701196.

The spelling of 478525 in words is "four hundred seventy-eight thousand, five hundred twenty-five".