70211489 has 2 divisors, whose sum is σ = 70211490. Its totient is φ = 70211488.

The previous prime is 70211447. The next prime is 70211501. The reversal of 70211489 is 98411207.

70211489 is nontrivially palindromic in base 2.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47334400 + 22877089 = 6880^2 + 4783^2 .

It is an emirp because it is prime and its reverse (98411207) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70211489 - 2²⁰ = 69162913 is a prime.

It is not a weakly prime, because it can be changed into another prime (70211419) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35105744 + 35105745.

It is an arithmetic number, because the mean of its divisors is an integer number (35105745).

Almost surely, 2^70211489 is an apocalyptic number.

It is an amenable number.

70211489 is a deficient number, since it is larger than the sum of its proper divisors (1).

70211489 is an equidigital number, since it uses as much as digits as its factorization.

70211489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 70211489 is about 8379.2296185270. The cubic root of 70211489 is about 412.5431634049.

The spelling of 70211489 in words is "seventy million, two hundred eleven thousand, four hundred eighty-nine".