9925261 has 2 divisors, whose sum is σ = 9925262. Its totient is φ = 9925260.

The previous prime is 9925243. The next prime is 9925271. The reversal of 9925261 is 1625299.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8375236 + 1550025 = 2894^2 + 1245^2 .

It is a cyclic number.

It is not a de Polignac number, because 9925261 - 2⁷ = 9925133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9925271) 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, 4962630 + 4962631.

It is an arithmetic number, because the mean of its divisors is an integer number (4962631).

Almost surely, 2^9925261 is an apocalyptic number.

It is an amenable number.

9925261 is a deficient number, since it is larger than the sum of its proper divisors (1).

9925261 is an equidigital number, since it uses as much as digits as its factorization.

9925261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 34.

The square root of 9925261 is about 3150.4382234857. The cubic root of 9925261 is about 214.9053919427.

The spelling of 9925261 in words is "nine million, nine hundred twenty-five thousand, two hundred sixty-one".