201401252 has 12 divisors (see below), whose sum is σ = 379563996. Its totient is φ = 92954400.

The previous prime is 201401231. The next prime is 201401281. The reversal of 201401252 is 252104102.

It can be written as a sum of positive squares in 2 ways, for example, as 117202276 + 84198976 = 10826^2 + 9176^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 201401252.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1936499 + ... + 1936602.

It is an arithmetic number, because the mean of its divisors is an integer number (31630333).

Almost surely, 2^201401252 is an apocalyptic number.

It is an amenable number.

201401252 is a deficient number, since it is larger than the sum of its proper divisors (178162744).

201401252 is a wasteful number, since it uses less digits than its factorization.

201401252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3873118 (or 3873116 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 201401252 is about 14191.5908903829. The cubic root of 201401252 is about 586.1661322737.

Adding to 201401252 its reverse (252104102), we get a palindrome (453505354).

The spelling of 201401252 in words is "two hundred one million, four hundred one thousand, two hundred fifty-two".