252001630 has 8 divisors (see below), whose sum is σ = 453602952. Its totient is φ = 100800648.

The previous prime is 252001613. The next prime is 252001637. The reversal of 252001630 is 36100252.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 252001598 and 252001607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252001637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12600072 + ... + 12600091.

It is an arithmetic number, because the mean of its divisors is an integer number (56700369).

Almost surely, 2^252001630 is an apocalyptic number.

252001630 is a deficient number, since it is larger than the sum of its proper divisors (201601322).

252001630 is a wasteful number, since it uses less digits than its factorization.

252001630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25200170.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 252001630 is about 15874.5592064788. The cubic root of 252001630 is about 631.6373216233.

Adding to 252001630 its reverse (36100252), we get a palindrome (288101882).

The spelling of 252001630 in words is "two hundred fifty-two million, one thousand, six hundred thirty".