5311239 has 16 divisors (see below), whose sum is σ = 7405440. Its totient is φ = 3382560.

The previous prime is 5311237. The next prime is 5311247. The reversal of 5311239 is 9321135.

It is a happy number.

It is not a de Polignac number, because 5311239 - 2¹ = 5311237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5311237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6144 + ... + 6954.

It is an arithmetic number, because the mean of its divisors is an integer number (462840).

Almost surely, 2^5311239 is an apocalyptic number.

5311239 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

5311239 is a deficient number, since it is larger than the sum of its proper divisors (2094201).

5311239 is a wasteful number, since it uses less digits than its factorization.

5311239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910.

The product of its digits is 810, while the sum is 24.

The square root of 5311239 is about 2304.6125487812. The cubic root of 5311239 is about 174.4744942921.

It can be divided in two parts, 531 and 1239, that added together give a triangular number (1770 = T₅₉).

The spelling of 5311239 in words is "five million, three hundred eleven thousand, two hundred thirty-nine".