252420245431343 has 4 divisors (see below), whose sum is σ = 275367540470568. Its totient is φ = 229472950392120.

The previous prime is 252420245431339. The next prime is 252420245431381. The reversal of 252420245431343 is 343134542024252.

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

It is a cyclic number.

It is not a de Polignac number, because 252420245431343 - 2² = 252420245431339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252420245431294 and 252420245431303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252420245431313) 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, 11473647519596 + ... + 11473647519617.

It is an arithmetic number, because the mean of its divisors is an integer number (68841885117642).

Almost surely, 2^{252420245431343} is an apocalyptic number.

252420245431343 is a deficient number, since it is larger than the sum of its proper divisors (22947295039225).

252420245431343 is a wasteful number, since it uses less digits than its factorization.

252420245431343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22947295039224.

The product of its (nonzero) digits is 2764800, while the sum is 44.

Adding to 252420245431343 its reverse (343134542024252), we get a palindrome (595554787455595).

The spelling of 252420245431343 in words is "two hundred fifty-two trillion, four hundred twenty billion, two hundred forty-five million, four hundred thirty-one thousand, three hundred forty-three".