215542060 has 12 divisors (see below), whose sum is σ = 452638368. Its totient is φ = 86216816.

The previous prime is 215542049. The next prime is 215542073. The reversal of 215542060 is 60245512.

215542060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5388532 + ... + 5388571.

It is an arithmetic number, because the mean of its divisors is an integer number (37719864).

Almost surely, 2^215542060 is an apocalyptic number.

215542060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215542060 is an abundant number, since it is smaller than the sum of its proper divisors (237096308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

215542060 is a wasteful number, since it uses less digits than its factorization.

215542060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10777112 (or 10777110 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 215542060 is about 14681.3507552950. The cubic root of 215542060 is about 599.5756814752.

Adding to 215542060 its reverse (60245512), we get a palindrome (275787572).

The spelling of 215542060 in words is "two hundred fifteen million, five hundred forty-two thousand, sixty".