2131937 has 2 divisors, whose sum is σ = 2131938. Its totient is φ = 2131936.

The previous prime is 2131907. The next prime is 2131951. The reversal of 2131937 is 7391312.

2131937 = 28⁴ + 29⁴ + 30⁴.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1860496 + 271441 = 1364^2 + 521^2 .

It is a cyclic number.

It is not a de Polignac number, because 2131937 - 2¹² = 2127841 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2131907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065968 + 1065969.

It is an arithmetic number, because the mean of its divisors is an integer number (1065969).

2^2131937 is an apocalyptic number.

It is an amenable number.

2131937 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131937 is an equidigital number, since it uses as much as digits as its factorization.

2131937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1134, while the sum is 26.

The square root of 2131937 is about 1460.1154063977. The cubic root of 2131937 is about 128.7038254630.

The spelling of 2131937 in words is "two million, one hundred thirty-one thousand, nine hundred thirty-seven".