2151349 has 2 divisors, whose sum is σ = 2151350. Its totient is φ = 2151348.

The previous prime is 2151337. The next prime is 2151353. The reversal of 2151349 is 9431512.

2151349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2010724 + 140625 = 1418^2 + 375^2 .

It is a cyclic number.

It is not a de Polignac number, because 2151349 - 2⁷ = 2151221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2151319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075674 + 1075675.

It is an arithmetic number, because the mean of its divisors is an integer number (1075675).

2^2151349 is an apocalyptic number.

It is an amenable number.

2151349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151349 is an equidigital number, since it uses as much as digits as its factorization.

2151349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 25.

The square root of 2151349 is about 1466.7477629095. The cubic root of 2151349 is about 129.0932762876.

It can be divided in two parts, 2151 and 349, that added together give a square (2500 = 50²).

The spelling of 2151349 in words is "two million, one hundred fifty-one thousand, three hundred forty-nine".