70450361 has 2 divisors, whose sum is σ = 70450362. Its totient is φ = 70450360.

The previous prime is 70450351. The next prime is 70450379. The reversal of 70450361 is 16305407.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48219136 + 22231225 = 6944^2 + 4715^2 .

It is an emirp because it is prime and its reverse (16305407) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70450361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70450361.

It is not a weakly prime, because it can be changed into another prime (70450351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35225180 + 35225181.

It is an arithmetic number, because the mean of its divisors is an integer number (35225181).

Almost surely, 2^70450361 is an apocalyptic number.

It is an amenable number.

70450361 is a deficient number, since it is larger than the sum of its proper divisors (1).

70450361 is an equidigital number, since it uses as much as digits as its factorization.

70450361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 70450361 is about 8393.4713319341. The cubic root of 70450361 is about 413.0104822953.

Adding to 70450361 its reverse (16305407), we get a palindrome (86755768).

The spelling of 70450361 in words is "seventy million, four hundred fifty thousand, three hundred sixty-one".