2659957 has 4 divisors (see below), whose sum is σ = 2724876. Its totient is φ = 2595040.

The previous prime is 2659949. The next prime is 2659963. The reversal of 2659957 is 7599562.

It is a happy number.

2659957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1425636 + 1234321 = 1194^2 + 1111^2 .

It is a cyclic number.

It is not a de Polignac number, because 2659957 - 2³ = 2659949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2653957) by changing a digit.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32398 + ... + 32479.

It is an arithmetic number, because the mean of its divisors is an integer number (681219).

2^2659957 is an apocalyptic number.

It is an amenable number.

2659957 is a deficient number, since it is larger than the sum of its proper divisors (64919).

2659957 is an equidigital number, since it uses as much as digits as its factorization.

2659957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64918.

The product of its digits is 170100, while the sum is 43.

The square root of 2659957 is about 1630.9374604809. The cubic root of 2659957 is about 138.5558516113. Note that the first 3 decimals are identical.

The spelling of 2659957 in words is "two million, six hundred fifty-nine thousand, nine hundred fifty-seven".