70248397 has 2 divisors, whose sum is σ = 70248398. Its totient is φ = 70248396.

The previous prime is 70248379. The next prime is 70248401. The reversal of 70248397 is 79384207.

Together with previous prime (70248379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65707236 + 4541161 = 8106^2 + 2131^2 .

It is a cyclic number.

It is not a de Polignac number, because 70248397 - 2¹¹ = 70246349 is a prime.

It is a zygodrome in base 3.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70248307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35124198 + 35124199.

It is an arithmetic number, because the mean of its divisors is an integer number (35124199).

Almost surely, 2^70248397 is an apocalyptic number.

It is an amenable number.

70248397 is a deficient number, since it is larger than the sum of its proper divisors (1).

70248397 is an equidigital number, since it uses as much as digits as its factorization.

70248397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 70248397 is about 8381.4316796118. The cubic root of 70248397 is about 412.6154377867.

The spelling of 70248397 in words is "seventy million, two hundred forty-eight thousand, three hundred ninety-seven".