78041 has 2 divisors, whose sum is σ = 78042. Its totient is φ = 78040.

The previous prime is 78031. The next prime is 78049. The reversal of 78041 is 14087.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52441 + 25600 = 229^2 + 160^2 .

It is an emirp because it is prime and its reverse (14087) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78041 - 2⁶ = 77977 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (78049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39020 + 39021.

It is an arithmetic number, because the mean of its divisors is an integer number (39021).

2⁷⁸⁰⁴¹ is an apocalyptic number.

It is an amenable number.

78041 is a deficient number, since it is larger than the sum of its proper divisors (1).

78041 is an equidigital number, since it uses as much as digits as its factorization.

78041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 78041 is about 279.3581930068. The cubic root of 78041 is about 42.7340717880.

The spelling of 78041 in words is "seventy-eight thousand, forty-one".