252533234546 has 4 divisors (see below), whose sum is σ = 378799851822. Its totient is φ = 126266617272.

The previous prime is 252533234543. The next prime is 252533234599. The reversal of 252533234546 is 645432335252.

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

It can be written as a sum of positive squares in only one way, i.e., 232217008321 + 20316226225 = 481889^2 + 142535^2 .

It is a super-2 number, since 2×252533234546² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 252533234497 and 252533234506.

It is not an unprimeable number, because it can be changed into a prime (252533234543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63133308635 + ... + 63133308638.

Almost surely, 2^252533234546 is an apocalyptic number.

252533234546 is a deficient number, since it is larger than the sum of its proper divisors (126266617276).

252533234546 is a wasteful number, since it uses less digits than its factorization.

252533234546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126266617275.

The product of its digits is 2592000, while the sum is 44.

Adding to 252533234546 its reverse (645432335252), we get a palindrome (897965569798).

The spelling of 252533234546 in words is "two hundred fifty-two billion, five hundred thirty-three million, two hundred thirty-four thousand, five hundred forty-six".