2621159 has 2 divisors, whose sum is σ = 2621160. Its totient is φ = 2621158.

The previous prime is 2621147. The next prime is 2621167. The reversal of 2621159 is 9511262.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2621159 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2621119) 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, 1310579 + 1310580.

It is an arithmetic number, because the mean of its divisors is an integer number (1310580).

2^2621159 is an apocalyptic number.

2621159 is a deficient number, since it is larger than the sum of its proper divisors (1).

2621159 is an equidigital number, since it uses as much as digits as its factorization.

2621159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 26.

The square root of 2621159 is about 1618.9993823347. Note that the first 3 decimals coincide. The cubic root of 2621159 is about 137.8788932595.

The spelling of 2621159 in words is "two million, six hundred twenty-one thousand, one hundred fifty-nine".