215325642 has 32 divisors (see below), whose sum is σ = 492672384. Its totient is φ = 61459200.

The previous prime is 215325641. The next prime is 215325647. The reversal of 215325642 is 246523512.

It is not an unprimeable number, because it can be changed into a prime (215325641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53542 + ... + 57422.

It is an arithmetic number, because the mean of its divisors is an integer number (15396012).

Almost surely, 2^215325642 is an apocalyptic number.

215325642 is an abundant number, since it is smaller than the sum of its proper divisors (277346742).

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

215325642 is a wasteful number, since it uses less digits than its factorization.

215325642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5214.

The product of its digits is 14400, while the sum is 30.

The square root of 215325642 is about 14673.9783971492. The cubic root of 215325642 is about 599.3749435112.

The spelling of 215325642 in words is "two hundred fifteen million, three hundred twenty-five thousand, six hundred forty-two".