2662157 has 2 divisors, whose sum is σ = 2662158. Its totient is φ = 2662156.

The previous prime is 2662141. The next prime is 2662159. The reversal of 2662157 is 7512662.

2662157 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., 1713481 + 948676 = 1309^2 + 974^2 .

It is a cyclic number.

It is not a de Polignac number, because 2662157 - 2⁴ = 2662141 is a prime.

Together with 2662159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2662159) 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 as a sum of consecutive naturals, namely, 1331078 + 1331079.

It is an arithmetic number, because the mean of its divisors is an integer number (1331079).

2^2662157 is an apocalyptic number.

It is an amenable number.

2662157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2662157 is an equidigital number, since it uses as much as digits as its factorization.

2662157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 29.

The square root of 2662157 is about 1631.6117798055. The cubic root of 2662157 is about 138.5940400575.

The spelling of 2662157 in words is "two million, six hundred sixty-two thousand, one hundred fifty-seven".