252404534231 has 16 divisors (see below), whose sum is σ = 270759119904. Its totient is φ = 234459700224.

The previous prime is 252404534201. The next prime is 252404534243. The reversal of 252404534231 is 132435404252.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-252404534231 is a prime.

It is a super-2 number, since 2×252404534231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252404534191 and 252404534200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252404534201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89696 + ... + 716138.

It is an arithmetic number, because the mean of its divisors is an integer number (16922444994).

Almost surely, 2^252404534231 is an apocalyptic number.

252404534231 is a deficient number, since it is larger than the sum of its proper divisors (18354585673).

252404534231 is a wasteful number, since it uses less digits than its factorization.

252404534231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626770.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 252404534231 its reverse (132435404252), we get a palindrome (384839938483).

The spelling of 252404534231 in words is "two hundred fifty-two billion, four hundred four million, five hundred thirty-four thousand, two hundred thirty-one".