9651261 has 16 divisors (see below), whose sum is σ = 13388288. Its totient is φ = 6177600.

The previous prime is 9651253. The next prime is 9651269. The reversal of 9651261 is 1621569.

It is an interprime number because it is at equal distance from previous prime (9651253) and next prime (9651269).

It is not a de Polignac number, because 9651261 - 2³ = 9651253 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9651269) 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 in 15 ways as a sum of consecutive naturals, for example, 14271 + ... + 14931.

It is an arithmetic number, because the mean of its divisors is an integer number (836768).

Almost surely, 2^9651261 is an apocalyptic number.

It is an amenable number.

9651261 is a deficient number, since it is larger than the sum of its proper divisors (3737027).

9651261 is a wasteful number, since it uses less digits than its factorization.

9651261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852.

The product of its digits is 3240, while the sum is 30.

The square root of 9651261 is about 3106.6478719031. The cubic root of 9651261 is about 212.9093268320.

The spelling of 9651261 in words is "nine million, six hundred fifty-one thousand, two hundred sixty-one".