215324641 has 8 divisors (see below), whose sum is σ = 247716224. Its totient is φ = 183340800.

The previous prime is 215324639. The next prime is 215324653. The reversal of 215324641 is 146423512.

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 215324641 - 2¹ = 215324639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (215324621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100800 + ... + 102913.

It is an arithmetic number, because the mean of its divisors is an integer number (30964528).

Almost surely, 2^215324641 is an apocalyptic number.

It is an amenable number.

215324641 is a deficient number, since it is larger than the sum of its proper divisors (32391583).

215324641 is a wasteful number, since it uses less digits than its factorization.

215324641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203871.

The product of its digits is 5760, while the sum is 28.

The square root of 215324641 is about 14673.9442891133. The cubic root of 215324641 is about 599.3740147238.

The spelling of 215324641 in words is "two hundred fifteen million, three hundred twenty-four thousand, six hundred forty-one".