425353523263 has 2 divisors, whose sum is σ = 425353523264. Its totient is φ = 425353523262.

The previous prime is 425353523251. The next prime is 425353523297. The reversal of 425353523263 is 362325353524.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425353523263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425353523233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212676761631 + 212676761632.

It is an arithmetic number, because the mean of its divisors is an integer number (212676761632).

Almost surely, 2^425353523263 is an apocalyptic number.

425353523263 is a deficient number, since it is larger than the sum of its proper divisors (1).

425353523263 is an equidigital number, since it uses as much as digits as its factorization.

425353523263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944000, while the sum is 43.

Adding to 425353523263 its reverse (362325353524), we get a palindrome (787678876787).

The spelling of 425353523263 in words is "four hundred twenty-five billion, three hundred fifty-three million, five hundred twenty-three thousand, two hundred sixty-three".