252566206246 has 8 divisors (see below), whose sum is σ = 395321018544. Its totient is φ = 120792533400.

The previous prime is 252566206241. The next prime is 252566206247. The reversal of 252566206246 is 642602665252.

It is a happy number.

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

It is a super-3 number, since 3×252566206246³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 5490569701 = 252566206246 / (2 + 5 + 2 + 5 + 6 + 6 + 2 + 0 + 6 + 2 + 4 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 252566206196 and 252566206205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252566206241) 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, 2745284805 + ... + 2745284896.

It is an arithmetic number, because the mean of its divisors is an integer number (49415127318).

Almost surely, 2^252566206246 is an apocalyptic number.

252566206246 is a deficient number, since it is larger than the sum of its proper divisors (142754812298).

252566206246 is a wasteful number, since it uses less digits than its factorization.

252566206246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5490569726.

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 252566206246 in words is "two hundred fifty-two billion, five hundred sixty-six million, two hundred six thousand, two hundred forty-six".