20150325 has 54 divisors (see below), whose sum is σ = 39341666. Its totient is φ = 9800640.

The previous prime is 20150303. The next prime is 20150327. The reversal of 20150325 is 52305102.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 62001 + 20088324 = 249^2 + 4482^2 .

It is not a de Polignac number, because 20150325 - 2⁶ = 20150261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20150298 and 20150307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20150327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 242734 + ... + 242816.

Almost surely, 2^20150325 is an apocalyptic number.

20150325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20150325 is a deficient number, since it is larger than the sum of its proper divisors (19191341).

20150325 is a wasteful number, since it uses less digits than its factorization.

20150325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 20150325 is about 4488.9113379527. The cubic root of 20150325 is about 272.1201395820.

Adding to 20150325 its reverse (52305102), we get a palindrome (72455427).

The spelling of 20150325 in words is "twenty million, one hundred fifty thousand, three hundred twenty-five".