2384521 has 2 divisors, whose sum is σ = 2384522.
Its totient is φ = 2384520.
The previous prime is 2384513. The next prime is 2384533. The reversal of 2384521 is 1254832.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2134521 + 250000 = 1461^2 + 500^2
It is a cyclic number.
It is not a de Polignac number, because 2384521 - 23 = 2384513 is a prime.
It is a d-powerful number, because it can be written as 27 + 313 + 83 + 49 + 55 + 219 + 1 .
It is not a weakly prime, because it can be changed into another prime (2384561) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1192260 + 1192261.
It is an arithmetic number, because the mean of its divisors is an integer number (1192261).
22384521 is an apocalyptic number.
It is an amenable number.
2384521 is a deficient number, since it is larger than the sum of its proper divisors (1).
2384521 is an equidigital number, since it uses as much as digits as its factorization.
2384521 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1920, while the sum is 25.
The square root of 2384521 is about 1544.1894313846.
The cubic root of 2384521 is about 133.5981314056.
The spelling of 2384521 in words is "two million, three hundred eighty-four thousand, five hundred twenty-one".