215013372 has 36 divisors (see below), whose sum is σ = 583609320. Its totient is φ = 61432224.

The previous prime is 215013371. The next prime is 215013419. The reversal of 215013372 is 273310512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215013371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182247 + ... + 183422.

It is an arithmetic number, because the mean of its divisors is an integer number (16211370).

Almost surely, 2^215013372 is an apocalyptic number.

It is an amenable number.

215013372 is an abundant number, since it is smaller than the sum of its proper divisors (368595948).

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

215013372 is a wasteful number, since it uses less digits than its factorization.

215013372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365690 (or 365681 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 215013372 is about 14663.3342729408. The cubic root of 215013372 is about 599.0850610760.

Adding to 215013372 its reverse (273310512), we get a palindrome (488323884).

The spelling of 215013372 in words is "two hundred fifteen million, thirteen thousand, three hundred seventy-two".