9541651 has 4 divisors (see below), whose sum is σ = 10904752. Its totient is φ = 8178552.

The previous prime is 9541627. The next prime is 9541663. The reversal of 9541651 is 1561459.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1561459 = 43 ⋅36313.

It is a cyclic number.

It is not a de Polignac number, because 9541651 - 2¹⁵ = 9508883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9541691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 681540 + ... + 681553.

It is an arithmetic number, because the mean of its divisors is an integer number (2726188).

Almost surely, 2^9541651 is an apocalyptic number.

9541651 is a deficient number, since it is larger than the sum of its proper divisors (1363101).

9541651 is a wasteful number, since it uses less digits than its factorization.

9541651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363100.

The product of its digits is 5400, while the sum is 31.

The square root of 9541651 is about 3088.9562962269. The cubic root of 9541651 is about 212.1002477708.

The spelling of 9541651 in words is "nine million, five hundred forty-one thousand, six hundred fifty-one".