252101215 has 8 divisors (see below), whose sum is σ = 318443760. Its totient is φ = 191066112.

The previous prime is 252101209. The next prime is 252101219. The reversal of 252101215 is 512101252.

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

It is a cyclic number.

It is not a de Polignac number, because 252101215 - 2¹⁵ = 252068447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 252101192 and 252101201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252101219) 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, 1326754 + ... + 1326943.

It is an arithmetic number, because the mean of its divisors is an integer number (39805470).

Almost surely, 2^252101215 is an apocalyptic number.

252101215 is a deficient number, since it is larger than the sum of its proper divisors (66342545).

252101215 is a wasteful number, since it uses less digits than its factorization.

252101215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2653721.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 252101215 is about 15877.6955191867. The cubic root of 252101215 is about 631.7205133058.

Adding to 252101215 its reverse (512101252), we get a palindrome (764202467).

The spelling of 252101215 in words is "two hundred fifty-two million, one hundred one thousand, two hundred fifteen".