70500961 has 2 divisors, whose sum is σ = 70500962. Its totient is φ = 70500960.

The previous prime is 70500959. The next prime is 70500967. The reversal of 70500961 is 16900507.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65302561 + 5198400 = 8081^2 + 2280^2 .

It is a cyclic number.

It is not a de Polignac number, because 70500961 - 2¹ = 70500959 is a prime.

Together with 70500959, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (70500967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35250480 + 35250481.

It is an arithmetic number, because the mean of its divisors is an integer number (35250481).

Almost surely, 2^70500961 is an apocalyptic number.

It is an amenable number.

70500961 is a deficient number, since it is larger than the sum of its proper divisors (1).

70500961 is an equidigital number, since it uses as much as digits as its factorization.

70500961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 70500961 is about 8396.4850383955. The cubic root of 70500961 is about 413.1093383257.

The spelling of 70500961 in words is "seventy million, five hundred thousand, nine hundred sixty-one".