252030001 has 4 divisors (see below), whose sum is σ = 252752500. Its totient is φ = 251307504.

The previous prime is 252029989. The next prime is 252030013. The reversal of 252030001 is 100030252.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (252029989) and next prime (252030013).

It can be written as a sum of positive squares in 2 ways, for example, as 176757025 + 75272976 = 13295^2 + 8676^2 .

It is a cyclic number.

It is not a de Polignac number, because 252030001 - 2⁷ = 252029873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252030071) 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 3 ways as a sum of consecutive naturals, for example, 360726 + ... + 361423.

It is an arithmetic number, because the mean of its divisors is an integer number (63188125).

Almost surely, 2^252030001 is an apocalyptic number.

It is an amenable number.

252030001 is a deficient number, since it is larger than the sum of its proper divisors (722499).

252030001 is an equidigital number, since it uses as much as digits as its factorization.

252030001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722498.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 252030001 is about 15875.4527809445. The cubic root of 252030001 is about 631.6610245255.

Adding to 252030001 its reverse (100030252), we get a palindrome (352060253).

The spelling of 252030001 in words is "two hundred fifty-two million, thirty thousand, one".