5271145 has 16 divisors (see below), whose sum is σ = 6946560. Its totient is φ = 3808000.

The previous prime is 5271143. The next prime is 5271157. The reversal of 5271145 is 5411725.

It is not a de Polignac number, because 5271145 - 2¹ = 5271143 is a prime.

It is a super-2 number, since 2×5271145² = 55569939222050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5271143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12945 + ... + 13345.

It is an arithmetic number, because the mean of its divisors is an integer number (434160).

Almost surely, 2^5271145 is an apocalyptic number.

5271145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5271145 is a deficient number, since it is larger than the sum of its proper divisors (1675415).

5271145 is a wasteful number, since it uses less digits than its factorization.

5271145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656.

The product of its digits is 1400, while the sum is 25.

The square root of 5271145 is about 2295.8974280224. The cubic root of 5271145 is about 174.0343548671.

The spelling of 5271145 in words is "five million, two hundred seventy-one thousand, one hundred forty-five".