70356553 has 2 divisors, whose sum is σ = 70356554. Its totient is φ = 70356552.

The previous prime is 70356551. The next prime is 70356571. The reversal of 70356553 is 35565307.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53406864 + 16949689 = 7308^2 + 4117^2 .

It is an emirp because it is prime and its reverse (35565307) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70356553 - 2¹ = 70356551 is a prime.

Together with 70356551, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (70356551) 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, 35178276 + 35178277.

It is an arithmetic number, because the mean of its divisors is an integer number (35178277).

Almost surely, 2^70356553 is an apocalyptic number.

It is an amenable number.

70356553 is a deficient number, since it is larger than the sum of its proper divisors (1).

70356553 is an equidigital number, since it uses as much as digits as its factorization.

70356553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47250, while the sum is 34.

The square root of 70356553 is about 8387.8813177107. The cubic root of 70356553 is about 412.8270865167.

The spelling of 70356553 in words is "seventy million, three hundred fifty-six thousand, five hundred fifty-three".