39425 has 12 divisors (see below), whose sum is σ = 52080. Its totient is φ = 29520.

The previous prime is 39419. The next prime is 39439. The reversal of 39425 is 52493.

39425 = T₁₂ + T₁₃ + ... + T₆₁.

It is not a de Polignac number, because 39425 - 2⁴ = 39409 is a prime.

It is a d-powerful number, because it can be written as 3³ + 9⁴ + 4³ + 2¹⁵ + 5 .

It is a self number, because there is not a number n which added to its sum of digits gives 39425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 434 + ... + 516.

It is an arithmetic number, because the mean of its divisors is an integer number (4340).

It is a Proth number, since it is equal to 77 ⋅ 2⁹ + 1 and 77 < 2⁹.

2³⁹⁴²⁵ is an apocalyptic number.

It is an amenable number.

39425 is a deficient number, since it is larger than the sum of its proper divisors (12655).

39425 is a wasteful number, since it uses less digits than its factorization.

39425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 107 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 39425 is about 198.5572965166. The cubic root of 39425 is about 34.0348546837.

It can be divided in two parts, 39 and 425, that added together give a palindrome (464).

The spelling of 39425 in words is "thirty-nine thousand, four hundred twenty-five".