2612431 has 2 divisors, whose sum is σ = 2612432. Its totient is φ = 2612430.

The previous prime is 2612429. The next prime is 2612437. The reversal of 2612431 is 1342162.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2612431 - 2¹ = 2612429 is a prime.

It is a super-2 number, since 2×2612431² = 13649591459522, which contains 22 as substring.

Together with 2612429, it forms a pair of twin primes.

It is a Chen prime.

2612431 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2612399 and 2612408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2612437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1306215 + 1306216.

It is an arithmetic number, because the mean of its divisors is an integer number (1306216).

2^2612431 is an apocalyptic number.

2612431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2612431 is an equidigital number, since it uses as much as digits as its factorization.

2612431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 19.

The square root of 2612431 is about 1616.3016426398. The cubic root of 2612431 is about 137.7256855668.

Adding to 2612431 its reverse (1342162), we get a palindrome (3954593).

The spelling of 2612431 in words is "two million, six hundred twelve thousand, four hundred thirty-one".