2629481 has 2 divisors, whose sum is σ = 2629482. Its totient is φ = 2629480.

The previous prime is 2629469. The next prime is 2629483. The reversal of 2629481 is 1849262.

2629481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1915456 + 714025 = 1384^2 + 845^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2629481 is a prime.

It is a super-2 number, since 2×2629481² = 13828340658722, which contains 22 as substring.

Together with 2629483, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2629483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1314740 + 1314741.

It is an arithmetic number, because the mean of its divisors is an integer number (1314741).

2^2629481 is an apocalyptic number.

It is an amenable number.

2629481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2629481 is an equidigital number, since it uses as much as digits as its factorization.

2629481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 32.

The square root of 2629481 is about 1621.5674515727. The cubic root of 2629481 is about 138.0246577797.

The spelling of 2629481 in words is "two million, six hundred twenty-nine thousand, four hundred eighty-one".