91343451 has 8 divisors (see below), whose sum is σ = 121858560. Its totient is φ = 60861992.

The previous prime is 91343429. The next prime is 91343467. The reversal of 91343451 is 15434319.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 91343451 - 2²³ = 82954843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91343401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1191 + ... + 13568.

It is an arithmetic number, because the mean of its divisors is an integer number (15232320).

Almost surely, 2^91343451 is an apocalyptic number.

91343451 is a deficient number, since it is larger than the sum of its proper divisors (30515109).

91343451 is a wasteful number, since it uses less digits than its factorization.

91343451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16825.

The product of its digits is 6480, while the sum is 30.

The square root of 91343451 is about 9557.3767844529. The cubic root of 91343451 is about 450.3593031610.

The spelling of 91343451 in words is "ninety-one million, three hundred forty-three thousand, four hundred fifty-one".