70575161 has 2 divisors, whose sum is σ = 70575162. Its totient is φ = 70575160.

The previous prime is 70575157. The next prime is 70575179. The reversal of 70575161 is 16157507.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47955625 + 22619536 = 6925^2 + 4756^2 .

It is a cyclic number.

It is not a de Polignac number, because 70575161 - 2² = 70575157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (70575121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35287580 + 35287581.

It is an arithmetic number, because the mean of its divisors is an integer number (35287581).

Almost surely, 2^70575161 is an apocalyptic number.

It is an amenable number.

70575161 is a deficient number, since it is larger than the sum of its proper divisors (1).

70575161 is an equidigital number, since it uses as much as digits as its factorization.

70575161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7350, while the sum is 32.

The square root of 70575161 is about 8400.9023920053. The cubic root of 70575161 is about 413.2542156204.

The spelling of 70575161 in words is "seventy million, five hundred seventy-five thousand, one hundred sixty-one".