79481 has 2 divisors, whose sum is σ = 79482. Its totient is φ = 79480.

The previous prime is 79451. The next prime is 79493. The reversal of 79481 is 18497.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67600 + 11881 = 260^2 + 109^2 .

It is a cyclic number.

It is not a de Polignac number, because 79481 - 2¹⁴ = 63097 is a prime.

It is a super-2 number, since 2×79481² = 12634458722, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 79481.

It is not a weakly prime, because it can be changed into another prime (79411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39740 + 39741.

It is an arithmetic number, because the mean of its divisors is an integer number (39741).

2⁷⁹⁴⁸¹ is an apocalyptic number.

It is an amenable number.

79481 is a deficient number, since it is larger than the sum of its proper divisors (1).

79481 is an equidigital number, since it uses as much as digits as its factorization.

79481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 29.

The square root of 79481 is about 281.9237485562. The cubic root of 79481 is about 42.9953122707.

The spelling of 79481 in words is "seventy-nine thousand, four hundred eighty-one".