2126351 has 2 divisors, whose sum is σ = 2126352. Its totient is φ = 2126350.

The previous prime is 2126339. The next prime is 2126363. The reversal of 2126351 is 1536212.

It is a balanced prime because it is at equal distance from previous prime (2126339) and next prime (2126363).

It is a cyclic number.

It is not a de Polignac number, because 2126351 - 2¹⁰ = 2125327 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2126381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063175 + 1063176.

It is an arithmetic number, because the mean of its divisors is an integer number (1063176).

2^2126351 is an apocalyptic number.

2126351 is a deficient number, since it is larger than the sum of its proper divisors (1).

2126351 is an equidigital number, since it uses as much as digits as its factorization.

2126351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360, while the sum is 20.

The square root of 2126351 is about 1458.2012892602. The cubic root of 2126351 is about 128.5913192624.

The spelling of 2126351 in words is "two million, one hundred twenty-six thousand, three hundred fifty-one".