79405241 has 2 divisors, whose sum is σ = 79405242. Its totient is φ = 79405240.

The previous prime is 79405217. The next prime is 79405247. The reversal of 79405241 is 14250497.

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., 40704400 + 38700841 = 6380^2 + 6221^2 .

It is an emirp because it is prime and its reverse (14250497) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79405241 - 2²² = 75210937 is a prime.

It is equal to p_4636715 and since 79405241 and 4636715 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 79405198 and 79405207.

It is not a weakly prime, because it can be changed into another prime (79405247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39702620 + 39702621.

It is an arithmetic number, because the mean of its divisors is an integer number (39702621).

Almost surely, 2^79405241 is an apocalyptic number.

It is an amenable number.

79405241 is a deficient number, since it is larger than the sum of its proper divisors (1).

79405241 is an equidigital number, since it uses as much as digits as its factorization.

79405241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 79405241 is about 8910.9618448291. The cubic root of 79405241 is about 429.8164729695.

The spelling of 79405241 in words is "seventy-nine million, four hundred five thousand, two hundred forty-one".