2346521 has 2 divisors, whose sum is σ = 2346522. Its totient is φ = 2346520.

The previous prime is 2346473. The next prime is 2346523. The reversal of 2346521 is 1256432.

2346521 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., 2059225 + 287296 = 1435^2 + 536^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2346521 is a prime.

Together with 2346523, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2 + 3¹⁰ + 4⁸ + 6⁶ + 5⁷ + 2²¹ + 1 .

It is not a weakly prime, because it can be changed into another prime (2346523) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1173260 + 1173261.

It is an arithmetic number, because the mean of its divisors is an integer number (1173261).

2^2346521 is an apocalyptic number.

It is an amenable number.

2346521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2346521 is an equidigital number, since it uses as much as digits as its factorization.

2346521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 23.

The square root of 2346521 is about 1531.8358267125. The cubic root of 2346521 is about 132.8846494534.

It can be divided in two parts, 2346 and 521, that multiplied together give a triangular number (1222266 = T₁₅₆₃).

The spelling of 2346521 in words is "two million, three hundred forty-six thousand, five hundred twenty-one".