101215325 has 6 divisors (see below), whose sum is σ = 125507034. Its totient is φ = 80972240.

The previous prime is 101215321. The next prime is 101215327. The reversal of 101215325 is 523512101.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1435204 + 99780121 = 1198^2 + 9989^2 .

It is not a de Polignac number, because 101215325 - 2² = 101215321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101215297 and 101215306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101215321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2024282 + ... + 2024331.

It is an arithmetic number, because the mean of its divisors is an integer number (20917839).

Almost surely, 2^101215325 is an apocalyptic number.

It is an amenable number.

101215325 is a deficient number, since it is larger than the sum of its proper divisors (24291709).

101215325 is an equidigital number, since it uses as much as digits as its factorization.

101215325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4048623 (or 4048618 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 101215325 is about 10060.5827366013. The cubic root of 101215325 is about 466.0316632565.

Adding to 101215325 its reverse (523512101), we get a palindrome (624727426).

The spelling of 101215325 in words is "one hundred one million, two hundred fifteen thousand, three hundred twenty-five".