70529161 has 2 divisors, whose sum is σ = 70529162. Its totient is φ = 70529160.

The previous prime is 70529119. The next prime is 70529177. The reversal of 70529161 is 16192507.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69405561 + 1123600 = 8331^2 + 1060^2 .

It is a cyclic number.

It is not a de Polignac number, because 70529161 - 2¹⁷ = 70398089 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70529101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35264580 + 35264581.

It is an arithmetic number, because the mean of its divisors is an integer number (35264581).

Almost surely, 2^70529161 is an apocalyptic number.

It is an amenable number.

70529161 is a deficient number, since it is larger than the sum of its proper divisors (1).

70529161 is an equidigital number, since it uses as much as digits as its factorization.

70529161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 70529161 is about 8398.1641446211. The cubic root of 70529161 is about 413.1644114776.

The spelling of 70529161 in words is "seventy million, five hundred twenty-nine thousand, one hundred sixty-one".