2051249 has 2 divisors, whose sum is σ = 2051250. Its totient is φ = 2051248.

The previous prime is 2051233. The next prime is 2051251. The reversal of 2051249 is 9421502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2050624 + 625 = 1432^2 + 25^2 .

It is a cyclic number.

It is not a de Polignac number, because 2051249 - 2⁴ = 2051233 is a prime.

Together with 2051251, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2051219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025624 + 1025625.

It is an arithmetic number, because the mean of its divisors is an integer number (1025625).

2^2051249 is an apocalyptic number.

It is an amenable number.

2051249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051249 is an equidigital number, since it uses as much as digits as its factorization.

2051249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 2051249 is about 1432.2182096315. The cubic root of 2051249 is about 127.0592031823.

The spelling of 2051249 in words is "two million, fifty-one thousand, two hundred forty-nine".