70512853 has 2 divisors, whose sum is σ = 70512854. Its totient is φ = 70512852.

The previous prime is 70512749. The next prime is 70512913. The reversal of 70512853 is 35821507.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70174129 + 338724 = 8377^2 + 582^2 .

It is an emirp because it is prime and its reverse (35821507) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70512853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70512353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35256426 + 35256427.

It is an arithmetic number, because the mean of its divisors is an integer number (35256427).

Almost surely, 2^70512853 is an apocalyptic number.

It is an amenable number.

70512853 is a deficient number, since it is larger than the sum of its proper divisors (1).

70512853 is an equidigital number, since it uses as much as digits as its factorization.

70512853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 70512853 is about 8397.1931620036. The cubic root of 70512853 is about 413.1325645814.

The spelling of 70512853 in words is "seventy million, five hundred twelve thousand, eight hundred fifty-three".