2553959 has 2 divisors, whose sum is σ = 2553960. Its totient is φ = 2553958.

The previous prime is 2553949. The next prime is 2554003. The reversal of 2553959 is 9593552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2553959 - 2¹² = 2549863 is a prime.

It is a Sophie Germain prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2553949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276979 + 1276980.

It is an arithmetic number, because the mean of its divisors is an integer number (1276980).

2^2553959 is an apocalyptic number.

2553959 is a deficient number, since it is larger than the sum of its proper divisors (1).

2553959 is an equidigital number, since it uses as much as digits as its factorization.

2553959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60750, while the sum is 38.

The square root of 2553959 is about 1598.1110724853. Note that the first 3 decimals coincide. The cubic root of 2553959 is about 136.6903871842.

The spelling of 2553959 in words is "two million, five hundred fifty-three thousand, nine hundred fifty-nine".