201621325 has 12 divisors (see below), whose sum is σ = 256768660. Its totient is φ = 156936960.

The previous prime is 201621317. The next prime is 201621361. The reversal of 201621325 is 523126102.

201621325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 23639044 + 177982281 = 4862^2 + 13341^2 .

It is not a de Polignac number, because 201621325 - 2³ = 201621317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201621296 and 201621305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108060 + ... + 109909.

Almost surely, 2^201621325 is an apocalyptic number.

201621325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201621325 is a deficient number, since it is larger than the sum of its proper divisors (55147335).

201621325 is a wasteful number, since it uses less digits than its factorization.

201621325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218016 (or 218011 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 201621325 is about 14199.3424143514. The cubic root of 201621325 is about 586.3795575961.

Adding to 201621325 its reverse (523126102), we get a palindrome (724747427).

The spelling of 201621325 in words is "two hundred one million, six hundred twenty-one thousand, three hundred twenty-five".