215424041 has 6 divisors (see below), whose sum is σ = 250595370. Its totient is φ = 184649136.

The previous prime is 215424029. The next prime is 215424043. The reversal of 215424041 is 140424512.

215424041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 196588441 + 18835600 = 14021^2 + 4340^2 .

It is not a de Polignac number, because 215424041 - 2²² = 211229737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 215423998 and 215424016.

It is not an unprimeable number, because it can be changed into a prime (215424043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2198156 + ... + 2198253.

It is an arithmetic number, because the mean of its divisors is an integer number (41765895).

Almost surely, 2^215424041 is an apocalyptic number.

It is an amenable number.

215424041 is a deficient number, since it is larger than the sum of its proper divisors (35171329).

215424041 is an equidigital number, since it uses as much as digits as its factorization.

215424041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4396423 (or 4396416 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 215424041 is about 14677.3308540756. The cubic root of 215424041 is about 599.4662299196.

Adding to 215424041 its reverse (140424512), we get a palindrome (355848553).

The spelling of 215424041 in words is "two hundred fifteen million, four hundred twenty-four thousand, forty-one".