2051437 has 2 divisors, whose sum is σ = 2051438. Its totient is φ = 2051436.

The previous prime is 2051429. The next prime is 2051443. The reversal of 2051437 is 7341502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1990921 + 60516 = 1411^2 + 246^2 .

It is a cyclic number.

It is not a de Polignac number, because 2051437 - 2³ = 2051429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2051417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025718 + 1025719.

It is an arithmetic number, because the mean of its divisors is an integer number (1025719).

2^2051437 is an apocalyptic number.

It is an amenable number.

2051437 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051437 is an equidigital number, since it uses as much as digits as its factorization.

2051437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 2051437 is about 1432.2838405847. The cubic root of 2051437 is about 127.0630847849.

Adding to 2051437 its reverse (7341502), we get a palindrome (9392939).

The spelling of 2051437 in words is "two million, fifty-one thousand, four hundred thirty-seven".