415540325 has 6 divisors (see below), whose sum is σ = 515270034. Its totient is φ = 332432240.

The previous prime is 415540313. The next prime is 415540327. The reversal of 415540325 is 523045514.

It can be written as a sum of positive squares in 3 ways, for example, as 2719201 + 412821124 = 1649^2 + 20318^2 .

It is not a de Polignac number, because 415540325 - 2¹⁶ = 415474789 is a prime.

It is a super-2 number, since 2×415540325² = 345347523402211250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (415540327) 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, 8310782 + ... + 8310831.

It is an arithmetic number, because the mean of its divisors is an integer number (85878339).

Almost surely, 2^415540325 is an apocalyptic number.

It is an amenable number.

415540325 is a deficient number, since it is larger than the sum of its proper divisors (99729709).

415540325 is a wasteful number, since it uses less digits than its factorization.

415540325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16621623 (or 16621618 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 415540325 is about 20384.8062291502. The cubic root of 415540325 is about 746.2271713615.

Adding to 415540325 its reverse (523045514), we get a palindrome (938585839).

The spelling of 415540325 in words is "four hundred fifteen million, five hundred forty thousand, three hundred twenty-five".