215325430 has 16 divisors (see below), whose sum is σ = 388762704. Its totient is φ = 85868640.

The previous prime is 215325421. The next prime is 215325433. The reversal of 215325430 is 34523512.

It is a junction number, because it is equal to n+sod(n) for n = 215325395 and 215325404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215325433) 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 7 ways as a sum of consecutive naturals, for example, 29217 + ... + 35836.

It is an arithmetic number, because the mean of its divisors is an integer number (24297669).

Almost surely, 2^215325430 is an apocalyptic number.

215325430 is a deficient number, since it is larger than the sum of its proper divisors (173437274).

215325430 is a wasteful number, since it uses less digits than its factorization.

215325430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65391.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 215325430 is about 14673.9711734758. The cubic root of 215325430 is about 599.3747468052.

Adding to 215325430 its reverse (34523512), we get a palindrome (249848942).

It can be divided in two parts, 21532 and 5430, that added together give a palindrome (26962).

The spelling of 215325430 in words is "two hundred fifteen million, three hundred twenty-five thousand, four hundred thirty".