252415 has 8 divisors (see below), whose sum is σ = 318960. Its totient is φ = 191232.

The previous prime is 252409. The next prime is 252419. The reversal of 252415 is 514252.

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 252415 - 2⁵ = 252383 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 = 252392 and 252401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252419) 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, 1234 + ... + 1423.

It is an arithmetic number, because the mean of its divisors is an integer number (39870).

2²⁵²⁴¹⁵ is an apocalyptic number.

252415 is a deficient number, since it is larger than the sum of its proper divisors (66545).

252415 is a wasteful number, since it uses less digits than its factorization.

252415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2681.

The product of its digits is 400, while the sum is 19.

The square root of 252415 is about 502.4091957757. The cubic root of 252415 is about 63.1982500984.

Adding to 252415 its reverse (514252), we get a palindrome (766667).

The spelling of 252415 in words is "two hundred fifty-two thousand, four hundred fifteen".