9125261 has 2 divisors, whose sum is σ = 9125262. Its totient is φ = 9125260.

The previous prime is 9125239. The next prime is 9125279. The reversal of 9125261 is 1625219.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8970025 + 155236 = 2995^2 + 394^2 .

It is a cyclic number.

It is not a de Polignac number, because 9125261 - 2⁶ = 9125197 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 9125261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9125201) 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, 4562630 + 4562631.

It is an arithmetic number, because the mean of its divisors is an integer number (4562631).

Almost surely, 2^9125261 is an apocalyptic number.

It is an amenable number.

9125261 is a deficient number, since it is larger than the sum of its proper divisors (1).

9125261 is an equidigital number, since it uses as much as digits as its factorization.

9125261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 26.

The square root of 9125261 is about 3020.8046941171. The cubic root of 9125261 is about 208.9689521426.

It can be divided in two parts, 91 and 25261, that added together give a palindrome (25352).

The spelling of 9125261 in words is "nine million, one hundred twenty-five thousand, two hundred sixty-one".