2616231 has 4 divisors (see below), whose sum is σ = 3488312. Its totient is φ = 1744152.

The previous prime is 2616221. The next prime is 2616241. The reversal of 2616231 is 1326162.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2616221) and next prime (2616241).

It is not a de Polignac number, because 2616231 - 2⁵ = 2616199 is a prime.

It is a super-2 number, since 2×2616231² = 13689329290722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

2616231 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2616198 and 2616207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2616221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436036 + ... + 436041.

It is an arithmetic number, because the mean of its divisors is an integer number (872078).

2^2616231 is an apocalyptic number.

2616231 is a deficient number, since it is larger than the sum of its proper divisors (872081).

2616231 is an equidigital number, since it uses as much as digits as its factorization.

2616231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872080.

The product of its digits is 432, while the sum is 21.

The square root of 2616231 is about 1617.4767386272. The cubic root of 2616231 is about 137.7924310686.

The spelling of 2616231 in words is "two million, six hundred sixteen thousand, two hundred thirty-one".