9481951 has 2 divisors, whose sum is σ = 9481952. Its totient is φ = 9481950.

The previous prime is 9481889. The next prime is 9481963. The reversal of 9481951 is 1591849.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9481951 - 2¹⁵ = 9449183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9481951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9481991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4740975 + 4740976.

It is an arithmetic number, because the mean of its divisors is an integer number (4740976).

Almost surely, 2^9481951 is an apocalyptic number.

9481951 is a deficient number, since it is larger than the sum of its proper divisors (1).

9481951 is an equidigital number, since it uses as much as digits as its factorization.

9481951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 37.

The square root of 9481951 is about 3079.2776750400. The cubic root of 9481951 is about 211.6569671984.

The spelling of 9481951 in words is "nine million, four hundred eighty-one thousand, nine hundred fifty-one".