2581079 has 2 divisors, whose sum is σ = 2581080. Its totient is φ = 2581078.

The previous prime is 2581069. The next prime is 2581081. The reversal of 2581079 is 9701852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2581079 - 2¹² = 2576983 is a prime.

It is a super-3 number, since 3×2581079³ = 51585203337844668117, which contains 333 as substring.

It is a Sophie Germain prime.

Together with 2581081, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₁₈₈₅₉₁ and since 2581079 and 188591 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2581049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1290539 + 1290540.

It is an arithmetic number, because the mean of its divisors is an integer number (1290540).

2^2581079 is an apocalyptic number.

2581079 is a deficient number, since it is larger than the sum of its proper divisors (1).

2581079 is an equidigital number, since it uses as much as digits as its factorization.

2581079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 2581079 is about 1606.5736833398. The cubic root of 2581079 is about 137.1725143058.

The spelling of 2581079 in words is "two million, five hundred eighty-one thousand, seventy-nine".