70063361 has 2 divisors, whose sum is σ = 70063362. Its totient is φ = 70063360.

The previous prime is 70063351. The next prime is 70063363. The reversal of 70063361 is 16336007.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68574961 + 1488400 = 8281^2 + 1220^2 .

It is a cyclic number.

It is not a de Polignac number, because 70063361 - 2²² = 65869057 is a prime.

Together with 70063363, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70063361.

It is not a weakly prime, because it can be changed into another prime (70063363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35031680 + 35031681.

It is an arithmetic number, because the mean of its divisors is an integer number (35031681).

Almost surely, 2^70063361 is an apocalyptic number.

It is an amenable number.

70063361 is a deficient number, since it is larger than the sum of its proper divisors (1).

70063361 is an equidigital number, since it uses as much as digits as its factorization.

70063361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 70063361 is about 8370.3859528698. The cubic root of 70063361 is about 412.2528395094.

Adding to 70063361 its reverse (16336007), we get a palindrome (86399368).

The spelling of 70063361 in words is "seventy million, sixty-three thousand, three hundred sixty-one".