70298549 has 2 divisors, whose sum is σ = 70298550. Its totient is φ = 70298548.

The previous prime is 70298539. The next prime is 70298551. The reversal of 70298549 is 94589207.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35700625 + 34597924 = 5975^2 + 5882^2 .

It is a cyclic number.

It is not a de Polignac number, because 70298549 - 2²⁴ = 53521333 is a prime.

It is a Sophie Germain prime.

Together with 70298551, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70298539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35149274 + 35149275.

It is an arithmetic number, because the mean of its divisors is an integer number (35149275).

Almost surely, 2^70298549 is an apocalyptic number.

It is an amenable number.

70298549 is a deficient number, since it is larger than the sum of its proper divisors (1).

70298549 is an equidigital number, since it uses as much as digits as its factorization.

70298549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 70298549 is about 8384.4229974400. The cubic root of 70298549 is about 412.7136064176.

The spelling of 70298549 in words is "seventy million, two hundred ninety-eight thousand, five hundred forty-nine".