70265017 has 2 divisors, whose sum is σ = 70265018. Its totient is φ = 70265016.

The previous prime is 70265009. The next prime is 70265033. The reversal of 70265017 is 71056207.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58813561 + 11451456 = 7669^2 + 3384^2 .

It is an emirp because it is prime and its reverse (71056207) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70265017 - 2³ = 70265009 is a prime.

It is a super-2 number, since 2×70265017² = 9874345228020578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70265077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35132508 + 35132509.

It is an arithmetic number, because the mean of its divisors is an integer number (35132509).

Almost surely, 2^70265017 is an apocalyptic number.

It is an amenable number.

70265017 is a deficient number, since it is larger than the sum of its proper divisors (1).

70265017 is an equidigital number, since it uses as much as digits as its factorization.

70265017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 70265017 is about 8382.4230983648. The cubic root of 70265017 is about 412.6479753160.

The spelling of 70265017 in words is "seventy million, two hundred sixty-five thousand, seventeen".