79425 has 18 divisors (see below), whose sum is σ = 142662. Its totient is φ = 42240.

The previous prime is 79423. The next prime is 79427. The reversal of 79425 is 52497.

79425 is nontrivially palindromic in base 11.

It is an interprime number because it is at equal distance from previous prime (79423) and next prime (79427).

It can be written as a sum of positive squares in 3 ways, for example, as 3249 + 76176 = 57^2 + 276^2 .

It is not a de Polignac number, because 79425 - 2¹ = 79423 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 49 + ... + 401.

2⁷⁹⁴²⁵ is an apocalyptic number.

79425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

79425 is a deficient number, since it is larger than the sum of its proper divisors (63237).

79425 is a wasteful number, since it uses less digits than its factorization.

79425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 361 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 79425 is about 281.8244134208. The cubic root of 79425 is about 42.9852121495.

The spelling of 79425 in words is "seventy-nine thousand, four hundred twenty-five".