2251349 has 2 divisors, whose sum is σ = 2251350. Its totient is φ = 2251348.

The previous prime is 2251343. The next prime is 2251369. The reversal of 2251349 is 9431522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1423249 + 828100 = 1193^2 + 910^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2251349 is a prime.

It is a super-3 number, since 3×2251349³ = 34233375670834984647, which contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2251343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125674 + 1125675.

It is an arithmetic number, because the mean of its divisors is an integer number (1125675).

2^2251349 is an apocalyptic number.

It is an amenable number.

2251349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251349 is an equidigital number, since it uses as much as digits as its factorization.

2251349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 26.

The square root of 2251349 is about 1500.4495992868. The cubic root of 2251349 is about 131.0632524795.

The spelling of 2251349 in words is "two million, two hundred fifty-one thousand, three hundred forty-nine".