70524149 has 2 divisors, whose sum is σ = 70524150. Its totient is φ = 70524148.

The previous prime is 70524127. The next prime is 70524173. The reversal of 70524149 is 94142507.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66748900 + 3775249 = 8170^2 + 1943^2 .

It is an emirp because it is prime and its reverse (94142507) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70524149 - 2¹⁶ = 70458613 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70574149) 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, 35262074 + 35262075.

It is an arithmetic number, because the mean of its divisors is an integer number (35262075).

Almost surely, 2^70524149 is an apocalyptic number.

It is an amenable number.

70524149 is a deficient number, since it is larger than the sum of its proper divisors (1).

70524149 is an equidigital number, since it uses as much as digits as its factorization.

70524149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 70524149 is about 8397.8657407701. The cubic root of 70524149 is about 413.1546243718.

The spelling of 70524149 in words is "seventy million, five hundred twenty-four thousand, one hundred forty-nine".