70850653 has 2 divisors, whose sum is σ = 70850654. Its totient is φ = 70850652.

The previous prime is 70850641. The next prime is 70850657. The reversal of 70850653 is 35605807.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70593604 + 257049 = 8402^2 + 507^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70850653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70850657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35425326 + 35425327.

It is an arithmetic number, because the mean of its divisors is an integer number (35425327).

Almost surely, 2^70850653 is an apocalyptic number.

It is an amenable number.

70850653 is a deficient number, since it is larger than the sum of its proper divisors (1).

70850653 is an equidigital number, since it uses as much as digits as its factorization.

70850653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 70850653 is about 8417.2829939358. The cubic root of 70850653 is about 413.7912337094.

The spelling of 70850653 in words is "seventy million, eight hundred fifty thousand, six hundred fifty-three".