201355625 has 10 divisors (see below), whose sum is σ = 251614770. Its totient is φ = 161084000.

The previous prime is 201355603. The next prime is 201355643. The reversal of 201355625 is 526553102.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 89567296 + 111788329 = 9464^2 + 10573^2 .

It is a de Polignac number, because none of the positive numbers 2^k-201355625 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 160460 + ... + 161709.

It is an arithmetic number, because the mean of its divisors is an integer number (25161477).

Almost surely, 2^201355625 is an apocalyptic number.

201355625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201355625 is a deficient number, since it is larger than the sum of its proper divisors (50259145).

201355625 is an frugal number, since it uses more digits than its factorization.

201355625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322189 (or 322174 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 201355625 is about 14189.9832628513. The cubic root of 201355625 is about 586.1218640582.

The spelling of 201355625 in words is "two hundred one million, three hundred fifty-five thousand, six hundred twenty-five".