9970249 has 2 divisors, whose sum is σ = 9970250. Its totient is φ = 9970248.

The previous prime is 9970243. The next prime is 9970273. The reversal of 9970249 is 9420799.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9966649 + 3600 = 3157^2 + 60^2 .

It is a cyclic number.

It is not a de Polignac number, because 9970249 - 2³ = 9970241 is a prime.

It is not a weakly prime, because it can be changed into another prime (9970241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4985124 + 4985125.

It is an arithmetic number, because the mean of its divisors is an integer number (4985125).

Almost surely, 2^9970249 is an apocalyptic number.

It is an amenable number.

9970249 is a deficient number, since it is larger than the sum of its proper divisors (1).

9970249 is an equidigital number, since it uses as much as digits as its factorization.

9970249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 9970249 is about 3157.5701100688. The cubic root of 9970249 is about 215.2296014821.

The spelling of 9970249 in words is "nine million, nine hundred seventy thousand, two hundred forty-nine".