2132857 has 2 divisors, whose sum is σ = 2132858. Its totient is φ = 2132856.

The previous prime is 2132849. The next prime is 2132881. The reversal of 2132857 is 7582312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1948816 + 184041 = 1396^2 + 429^2 .

It is a cyclic number.

It is not a de Polignac number, because 2132857 - 2³ = 2132849 is a prime.

It is not a weakly prime, because it can be changed into another prime (2132827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066428 + 1066429.

It is an arithmetic number, because the mean of its divisors is an integer number (1066429).

2^2132857 is an apocalyptic number.

It is an amenable number.

2132857 is a deficient number, since it is larger than the sum of its proper divisors (1).

2132857 is an equidigital number, since it uses as much as digits as its factorization.

2132857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 28.

The square root of 2132857 is about 1460.4304160076. The cubic root of 2132857 is about 128.7223360930.

The spelling of 2132857 in words is "two million, one hundred thirty-two thousand, eight hundred fifty-seven".