215484041 has 8 divisors (see below), whose sum is σ = 223797960. Its totient is φ = 207301248.

The previous prime is 215484023. The next prime is 215484083. The reversal of 215484041 is 140484512.

It can be written as a sum of positive squares in 4 ways, for example, as 30415225 + 185068816 = 5515^2 + 13604^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 215484041 - 2⁶ = 215483977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 215483995 and 215484013.

It is not an unprimeable number, because it can be changed into a prime (215484001) 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 in 7 ways as a sum of consecutive naturals, for example, 29426 + ... + 36011.

It is an arithmetic number, because the mean of its divisors is an integer number (27974745).

Almost surely, 2^215484041 is an apocalyptic number.

It is an amenable number.

215484041 is a deficient number, since it is larger than the sum of its proper divisors (8313919).

215484041 is an equidigital number, since it uses as much as digits as its factorization.

215484041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65563.

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 215484041 is about 14679.3746801422. The cubic root of 215484041 is about 599.5218792874.

The spelling of 215484041 in words is "two hundred fifteen million, four hundred eighty-four thousand, forty-one".