252213254523 has 20 divisors (see below), whose sum is σ = 396592644360. Its totient is φ = 159292580832.

The previous prime is 252213254459. The next prime is 252213254543. The reversal of 252213254523 is 325452312252.

It is a happy number.

252213254523 is a `hidden beast` number, since 2 + 52 + 2 + 1 + 32 + 54 + 523 = 666.

It is not a de Polignac number, because 252213254523 - 2⁶ = 252213254459 is a prime.

It is a super-2 number, since 2×252213254523² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (252213254543) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 81939090 + ... + 81942167.

It is an arithmetic number, because the mean of its divisors is an integer number (19829632218).

Almost surely, 2^252213254523 is an apocalyptic number.

252213254523 is a deficient number, since it is larger than the sum of its proper divisors (144379389837).

252213254523 is a wasteful number, since it uses less digits than its factorization.

252213254523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163881288 (or 163881279 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

Adding to 252213254523 its reverse (325452312252), we get a palindrome (577665566775).

The spelling of 252213254523 in words is "two hundred fifty-two billion, two hundred thirteen million, two hundred fifty-four thousand, five hundred twenty-three".