2366521 has 2 divisors, whose sum is σ = 2366522. Its totient is φ = 2366520.

The previous prime is 2366513. The next prime is 2366527. The reversal of 2366521 is 1256632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2359296 + 7225 = 1536^2 + 85^2 .

It is a cyclic number.

It is not a de Polignac number, because 2366521 - 2³ = 2366513 is a prime.

It is not a weakly prime, because it can be changed into another prime (2366527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1183260 + 1183261.

It is an arithmetic number, because the mean of its divisors is an integer number (1183261).

2^2366521 is an apocalyptic number.

It is an amenable number.

2366521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2366521 is an equidigital number, since it uses as much as digits as its factorization.

2366521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 25.

The square root of 2366521 is about 1538.3500901940. The cubic root of 2366521 is about 133.2611185336.

The spelling of 2366521 in words is "two million, three hundred sixty-six thousand, five hundred twenty-one".