239425 has 12 divisors (see below), whose sum is σ = 303676. Its totient is φ = 187200.

The previous prime is 239423. The next prime is 239429. The reversal of 239425 is 524932.

It is a happy number.

239425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 65536 + 173889 = 256^2 + 417^2 .

It is not a de Polignac number, because 239425 - 2¹ = 239423 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

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 2⁵ + 3¹¹ + 4⁵ + 9⁵ + 2¹¹ + 5³ .

It is a Duffinian number.

239425 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 239425.

It is not an unprimeable number, because it can be changed into a prime (239423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1447 + ... + 1603.

2²³⁹⁴²⁵ is an apocalyptic number.

239425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

239425 is a deficient number, since it is larger than the sum of its proper divisors (64251).

239425 is a wasteful number, since it uses less digits than its factorization.

239425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228 (or 223 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 239425 is about 489.3107397145. The cubic root of 239425 is about 62.0949810236.

The spelling of 239425 in words is "two hundred thirty-nine thousand, four hundred twenty-five".