70681241 has 2 divisors, whose sum is σ = 70681242. Its totient is φ = 70681240.

The previous prime is 70681213. The next prime is 70681283. The reversal of 70681241 is 14218607.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36048016 + 34633225 = 6004^2 + 5885^2 .

It is a cyclic number.

It is not a de Polignac number, because 70681241 - 2²⁶ = 3572377 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (70681441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35340620 + 35340621.

It is an arithmetic number, because the mean of its divisors is an integer number (35340621).

Almost surely, 2^70681241 is an apocalyptic number.

It is an amenable number.

70681241 is a deficient number, since it is larger than the sum of its proper divisors (1).

70681241 is an equidigital number, since it uses as much as digits as its factorization.

70681241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 70681241 is about 8407.2136287833. The cubic root of 70681241 is about 413.4611631305.

Adding to 70681241 its reverse (14218607), we get a palindrome (84899848).

The spelling of 70681241 in words is "seventy million, six hundred eighty-one thousand, two hundred forty-one".