252120415 has 8 divisors (see below), whose sum is σ = 304753680. Its totient is φ = 200223552.

The previous prime is 252120389. The next prime is 252120437. The reversal of 252120415 is 514021252.

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 252120415 - 2¹⁹ = 251596127 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183345 + ... + 184714.

It is an arithmetic number, because the mean of its divisors is an integer number (38094210).

Almost surely, 2^252120415 is an apocalyptic number.

252120415 is a deficient number, since it is larger than the sum of its proper divisors (52633265).

252120415 is a wasteful number, since it uses less digits than its factorization.

252120415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368201.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 252120415 is about 15878.3001294219. The cubic root of 252120415 is about 631.7365501529.

Adding to 252120415 its reverse (514021252), we get a palindrome (766141667).

The spelling of 252120415 in words is "two hundred fifty-two million, one hundred twenty thousand, four hundred fifteen".