2137273 has 2 divisors, whose sum is σ = 2137274. Its totient is φ = 2137272.

The previous prime is 2137259. The next prime is 2137279. The reversal of 2137273 is 3727312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1710864 + 426409 = 1308^2 + 653^2 .

It is a cyclic number.

It is not a de Polignac number, because 2137273 - 2¹⁷ = 2006201 is a prime.

It is not a weakly prime, because it can be changed into another prime (2137279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068636 + 1068637.

It is an arithmetic number, because the mean of its divisors is an integer number (1068637).

2^2137273 is an apocalyptic number.

It is an amenable number.

2137273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2137273 is an equidigital number, since it uses as much as digits as its factorization.

2137273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1764, while the sum is 25.

The square root of 2137273 is about 1461.9415172981. The cubic root of 2137273 is about 128.8111130992.

The spelling of 2137273 in words is "two million, one hundred thirty-seven thousand, two hundred seventy-three".