70351601 has 2 divisors, whose sum is σ = 70351602. Its totient is φ = 70351600.

The previous prime is 70351597. The next prime is 70351607. The reversal of 70351601 is 10615307.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36012001 + 34339600 = 6001^2 + 5860^2 .

It is an emirp because it is prime and its reverse (10615307) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70351601 - 2² = 70351597 is a prime.

It is not a weakly prime, because it can be changed into another prime (70351607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35175800 + 35175801.

It is an arithmetic number, because the mean of its divisors is an integer number (35175801).

Almost surely, 2^70351601 is an apocalyptic number.

It is an amenable number.

70351601 is a deficient number, since it is larger than the sum of its proper divisors (1).

70351601 is an equidigital number, since it uses as much as digits as its factorization.

70351601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 70351601 is about 8387.5861247441. The cubic root of 70351601 is about 412.8174007679.

Adding to 70351601 its reverse (10615307), we get a palindrome (80966908).

The spelling of 70351601 in words is "seventy million, three hundred fifty-one thousand, six hundred one".