252213301434543 has 4 divisors (see below), whose sum is σ = 336284401912728. Its totient is φ = 168142200956360.

The previous prime is 252213301434533. The next prime is 252213301434547. The reversal of 252213301434543 is 345434103312252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252213301434543 is a prime.

It is a super-2 number, since 2×252213301434543² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 252213301434495 and 252213301434504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252213301434547) 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, 42035550239088 + ... + 42035550239093.

It is an arithmetic number, because the mean of its divisors is an integer number (84071100478182).

Almost surely, 2^{252213301434543} is an apocalyptic number.

252213301434543 is a deficient number, since it is larger than the sum of its proper divisors (84071100478185).

252213301434543 is an equidigital number, since it uses as much as digits as its factorization.

252213301434543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84071100478184.

The product of its (nonzero) digits is 1036800, while the sum is 42.

Adding to 252213301434543 its reverse (345434103312252), we get a palindrome (597647404746795).

The spelling of 252213301434543 in words is "two hundred fifty-two trillion, two hundred thirteen billion, three hundred one million, four hundred thirty-four thousand, five hundred forty-three".