418328525 has 12 divisors (see below), whose sum is σ = 519133812. Its totient is φ = 334400640.

The previous prime is 418328513. The next prime is 418328543. The reversal of 418328525 is 525823814.

It can be written as a sum of positive squares in 6 ways, for example, as 22676644 + 395651881 = 4762^2 + 19891^2 .

It is not a de Polignac number, because 418328525 - 2⁶ = 418328461 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 29987 + ... + 41663.

It is an arithmetic number, because the mean of its divisors is an integer number (43261151).

Almost surely, 2^418328525 is an apocalyptic number.

It is an amenable number.

418328525 is a deficient number, since it is larger than the sum of its proper divisors (100805287).

418328525 is a wasteful number, since it uses less digits than its factorization.

418328525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13120 (or 13115 counting only the distinct ones).

The product of its digits is 76800, while the sum is 38.

The square root of 418328525 is about 20453.0810637420. The cubic root of 418328525 is about 747.8924684803.

The spelling of 418328525 in words is "four hundred eighteen million, three hundred twenty-eight thousand, five hundred twenty-five".