252245001 has 8 divisors (see below), whose sum is σ = 342027360. Its totient is φ = 165312992.

The previous prime is 252244991. The next prime is 252245023. The reversal of 252245001 is 100542252.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252245001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252245701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 712380 + ... + 712733.

It is an arithmetic number, because the mean of its divisors is an integer number (42753420).

Almost surely, 2^252245001 is an apocalyptic number.

It is an amenable number.

252245001 is a deficient number, since it is larger than the sum of its proper divisors (89782359).

252245001 is a wasteful number, since it uses less digits than its factorization.

252245001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425175.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 252245001 is about 15882.2227978328. Note that the first 3 decimals coincide. The cubic root of 252245001 is about 631.8405911383.

Adding to 252245001 its reverse (100542252), we get a palindrome (352787253).

The spelling of 252245001 in words is "two hundred fifty-two million, two hundred forty-five thousand, one".