2052157 has 2 divisors, whose sum is σ = 2052158. Its totient is φ = 2052156.

The previous prime is 2052137. The next prime is 2052163. The reversal of 2052157 is 7512502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1503076 + 549081 = 1226^2 + 741^2 .

It is a cyclic number.

It is not a de Polignac number, because 2052157 - 2¹¹ = 2050109 is a prime.

It is a super-2 number, since 2×2052157² = 8422696705298, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2052137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1026078 + 1026079.

It is an arithmetic number, because the mean of its divisors is an integer number (1026079).

2^2052157 is an apocalyptic number.

It is an amenable number.

2052157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2052157 is an equidigital number, since it uses as much as digits as its factorization.

2052157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 2052157 is about 1432.5351653624. The cubic root of 2052157 is about 127.0779483042.

Adding to 2052157 its reverse (7512502), we get a palindrome (9564659).

It can be divided in two parts, 2052 and 157, that added together give a square (2209 = 47²).

The spelling of 2052157 in words is "two million, fifty-two thousand, one hundred fifty-seven".