2620031 has 2 divisors, whose sum is σ = 2620032. Its totient is φ = 2620030.

The previous prime is 2620021. The next prime is 2620039. The reversal of 2620031 is 1300262.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2620031 - 2¹⁰ = 2619007 is a prime.

It is a super-2 number, since 2×2620031² = 13729124881922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2619988 and 2620015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2620039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1310015 + 1310016.

It is an arithmetic number, because the mean of its divisors is an integer number (1310016).

2^2620031 is an apocalyptic number.

2620031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2620031 is an equidigital number, since it uses as much as digits as its factorization.

2620031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2620031 is about 1618.6509815275. The cubic root of 2620031 is about 137.8591119710.

Adding to 2620031 its reverse (1300262), we get a palindrome (3920293).

The spelling of 2620031 in words is "two million, six hundred twenty thousand, thirty-one".