252404201 has 16 divisors (see below), whose sum is σ = 299778048. Its totient is φ = 207954000.

The previous prime is 252404177. The next prime is 252404213. The reversal of 252404201 is 102404252.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 252404201 - 2⁶ = 252404137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252404221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28916 + ... + 36618.

It is an arithmetic number, because the mean of its divisors is an integer number (18736128).

Almost surely, 2^252404201 is an apocalyptic number.

It is an amenable number.

252404201 is a deficient number, since it is larger than the sum of its proper divisors (47373847).

252404201 is a wasteful number, since it uses less digits than its factorization.

252404201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7892.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 252404201 is about 15887.2339002106. The cubic root of 252404201 is about 631.9734882125.

Adding to 252404201 its reverse (102404252), we get a palindrome (354808453).

The spelling of 252404201 in words is "two hundred fifty-two million, four hundred four thousand, two hundred one".