252206247523 has 8 divisors (see below), whose sum is σ = 268397455392. Its totient is φ = 236165655936.

The previous prime is 252206247521. The next prime is 252206247547. The reversal of 252206247523 is 325742602252.

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

It is not a de Polignac number, because 252206247523 - 2¹ = 252206247521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252206247521) 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, 37650615 + ... + 37657312.

It is an arithmetic number, because the mean of its divisors is an integer number (33549681924).

Almost surely, 2^252206247523 is an apocalyptic number.

252206247523 is a deficient number, since it is larger than the sum of its proper divisors (16191207869).

252206247523 is a wasteful number, since it uses less digits than its factorization.

252206247523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75308141.

The product of its (nonzero) digits is 403200, while the sum is 40.

Adding to 252206247523 its reverse (325742602252), we get a palindrome (577948849775).

The spelling of 252206247523 in words is "two hundred fifty-two billion, two hundred six million, two hundred forty-seven thousand, five hundred twenty-three".