10091481 has 8 divisors (see below), whose sum is σ = 13545024. Its totient is φ = 6682800.

The previous prime is 10091479. The next prime is 10091509. The reversal of 10091481 is 18419001.

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

It is not a de Polignac number, because 10091481 - 2¹ = 10091479 is a prime.

It is a super-2 number, since 2×10091481² = 203675977546722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10091401) 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, 10686 + ... + 11591.

It is an arithmetic number, because the mean of its divisors is an integer number (1693128).

Almost surely, 2^10091481 is an apocalyptic number.

It is an amenable number.

10091481 is a deficient number, since it is larger than the sum of its proper divisors (3453543).

10091481 is a wasteful number, since it uses less digits than its factorization.

10091481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22431.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 10091481 is about 3176.7091462707. The cubic root of 10091481 is about 216.0984419253.

The spelling of 10091481 in words is "ten million, ninety-one thousand, four hundred eighty-one".