383425 has 18 divisors (see below), whose sum is σ = 554838. Its totient is φ = 262080.

The previous prime is 383419. The next prime is 383429. The reversal of 383425 is 524383.

383425 = T₉₈ + T₉₉ + ... + T₁₄₇.

It can be written as a sum of positive squares in 3 ways, for example, as 3969 + 379456 = 63^2 + 616^2 .

It is not a de Polignac number, because 383425 - 2³ = 383417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a d-powerful number, because it can be written as 3² + 8⁵ + 4⁹ + 3⁷ + 2¹³ + 5⁷ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 383425.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383429) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1069 + ... + 1381.

2³⁸³⁴²⁵ is an apocalyptic number.

383425 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

383425 is a deficient number, since it is larger than the sum of its proper divisors (171413).

383425 is a wasteful number, since it uses less digits than its factorization.

383425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 325 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 383425 is about 619.2132104534. The cubic root of 383425 is about 72.6485262726.

It can be divided in two parts, 383 and 425, that added together give a palindrome (808).

The spelling of 383425 in words is "three hundred eighty-three thousand, four hundred twenty-five".