70217053 has 2 divisors, whose sum is σ = 70217054. Its totient is φ = 70217052.

The previous prime is 70217047. The next prime is 70217071. The reversal of 70217053 is 35071207.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69672409 + 544644 = 8347^2 + 738^2 .

It is a cyclic number.

It is not a de Polignac number, because 70217053 - 2⁹ = 70216541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70217003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35108526 + 35108527.

It is an arithmetic number, because the mean of its divisors is an integer number (35108527).

Almost surely, 2^70217053 is an apocalyptic number.

It is an amenable number.

70217053 is a deficient number, since it is larger than the sum of its proper divisors (1).

70217053 is an equidigital number, since it uses as much as digits as its factorization.

70217053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 70217053 is about 8379.5616233786. The cubic root of 70217053 is about 412.5540606221.

The spelling of 70217053 in words is "seventy million, two hundred seventeen thousand, fifty-three".