215235410325 has 24 divisors (see below), whose sum is σ = 383229409248. Its totient is φ = 105962047680.

The previous prime is 215235410321. The next prime is 215235410339. The reversal of 215235410325 is 523014532512.

215235410325 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 215235410325 - 2² = 215235410321 is a prime.

It is a super-2 number, since 2×215235410325² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215235410321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110376159 + ... + 110378108.

It is an arithmetic number, because the mean of its divisors is an integer number (15967892052).

Almost surely, 2^215235410325 is an apocalyptic number.

215235410325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

215235410325 is a deficient number, since it is larger than the sum of its proper divisors (167993998923).

215235410325 is a wasteful number, since it uses less digits than its factorization.

215235410325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220754293 (or 220754288 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 215235410325 its reverse (523014532512), we get a palindrome (738249942837).

The spelling of 215235410325 in words is "two hundred fifteen billion, two hundred thirty-five million, four hundred ten thousand, three hundred twenty-five".