215132841 has 80 divisors (see below), whose sum is σ = 424448640. Its totient is φ = 105131520.

The previous prime is 215132833. The next prime is 215132843. The reversal of 215132841 is 148231512.

215132841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 215132841 - 2³ = 215132833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (215132843) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 105015 + ... + 107043.

It is an arithmetic number, because the mean of its divisors is an integer number (5305608).

Almost surely, 2^215132841 is an apocalyptic number.

215132841 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

215132841 is a deficient number, since it is larger than the sum of its proper divisors (209315799).

215132841 is a wasteful number, since it uses less digits than its factorization.

215132841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076 (or 2067 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 215132841 is about 14667.4074396261. The cubic root of 215132841 is about 599.1959981162.

The spelling of 215132841 in words is "two hundred fifteen million, one hundred thirty-two thousand, eight hundred forty-one".