70105051 has 2 divisors, whose sum is σ = 70105052. Its totient is φ = 70105050.

The previous prime is 70105031. The next prime is 70105069. The reversal of 70105051 is 15050107.

It is a strong prime.

It is an emirp because it is prime and its reverse (15050107) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70105051 - 2⁵ = 70105019 is a prime.

It is not a weakly prime, because it can be changed into another prime (70105031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35052525 + 35052526.

It is an arithmetic number, because the mean of its divisors is an integer number (35052526).

Almost surely, 2^70105051 is an apocalyptic number.

70105051 is a deficient number, since it is larger than the sum of its proper divisors (1).

70105051 is an equidigital number, since it uses as much as digits as its factorization.

70105051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 175, while the sum is 19.

The square root of 70105051 is about 8372.8759097457. The cubic root of 70105051 is about 412.3345912879.

Adding to 70105051 its reverse (15050107), we get a palindrome (85155158).

The spelling of 70105051 in words is "seventy million, one hundred five thousand, fifty-one".