9953287 has 2 divisors, whose sum is σ = 9953288. Its totient is φ = 9953286.

The previous prime is 9953261. The next prime is 9953291. The reversal of 9953287 is 7823599.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9953287 - 2²³ = 1564679 is a prime.

It is a d-powerful number, because it can be written as 9⁴ + 9⁵ + 5¹⁰ + 3⁵ + 2¹² + 8² + 7⁶ .

9953287 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9953257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4976643 + 4976644.

It is an arithmetic number, because the mean of its divisors is an integer number (4976644).

Almost surely, 2^9953287 is an apocalyptic number.

9953287 is a deficient number, since it is larger than the sum of its proper divisors (1).

9953287 is an equidigital number, since it uses as much as digits as its factorization.

9953287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 43.

The square root of 9953287 is about 3154.8830406213. The cubic root of 9953287 is about 215.1074782621.

The spelling of 9953287 in words is "nine million, nine hundred fifty-three thousand, two hundred eighty-seven".