5491145 has 8 divisors (see below), whose sum is σ = 7188480. Its totient is φ = 3993520.

The previous prime is 5491141. The next prime is 5491163. The reversal of 5491145 is 5411945.

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

It is not a de Polignac number, because 5491145 - 2² = 5491141 is a prime.

It is a super-2 number, since 2×5491145² = 60305346822050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5491141) 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, 49865 + ... + 49974.

It is an arithmetic number, because the mean of its divisors is an integer number (898560).

Almost surely, 2^5491145 is an apocalyptic number.

5491145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5491145 is a deficient number, since it is larger than the sum of its proper divisors (1697335).

5491145 is a wasteful number, since it uses less digits than its factorization.

5491145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99855.

The product of its digits is 3600, while the sum is 29.

The square root of 5491145 is about 2343.3192270794. The cubic root of 5491145 is about 176.4226348681.

The spelling of 5491145 in words is "five million, four hundred ninety-one thousand, one hundred forty-five".