70651129 has 2 divisors, whose sum is σ = 70651130. Its totient is φ = 70651128.

The previous prime is 70651123. The next prime is 70651183. The reversal of 70651129 is 92115607.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55905529 + 14745600 = 7477^2 + 3840^2 .

It is a cyclic number.

It is not a de Polignac number, because 70651129 - 2¹¹ = 70649081 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70651129.

It is not a weakly prime, because it can be changed into another prime (70651123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35325564 + 35325565.

It is an arithmetic number, because the mean of its divisors is an integer number (35325565).

Almost surely, 2^70651129 is an apocalyptic number.

It is an amenable number.

70651129 is a deficient number, since it is larger than the sum of its proper divisors (1).

70651129 is an equidigital number, since it uses as much as digits as its factorization.

70651129 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 70651129 is about 8405.4225949681. The cubic root of 70651129 is about 413.4024398124.

The spelling of 70651129 in words is "seventy million, six hundred fifty-one thousand, one hundred twenty-nine".