5311447 has 6 divisors (see below), whose sum is σ = 5489304. Its totient is φ = 5139180.

The previous prime is 5311441. The next prime is 5311487. The reversal of 5311447 is 7441135.

It is a de Polignac number, because none of the positive numbers 2^k-5311447 is a prime.

It is a super-2 number, since 2×5311447² = 56422938467618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5311441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1803 + ... + 3724.

It is an arithmetic number, because the mean of its divisors is an integer number (914884).

Almost surely, 2^5311447 is an apocalyptic number.

5311447 is a deficient number, since it is larger than the sum of its proper divisors (177857).

5311447 is an equidigital number, since it uses as much as digits as its factorization.

5311447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5589 (or 5558 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 5311447 is about 2304.6576752307. The cubic root of 5311447 is about 174.4767718662.

The spelling of 5311447 in words is "five million, three hundred eleven thousand, four hundred forty-seven".