313525253563 has 2 divisors, whose sum is σ = 313525253564. Its totient is φ = 313525253562.

The previous prime is 313525253521. The next prime is 313525253623. The reversal of 313525253563 is 365352525313.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313525253563 is a prime.

It is not a weakly prime, because it can be changed into another prime (313525254563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156762626781 + 156762626782.

It is an arithmetic number, because the mean of its divisors is an integer number (156762626782).

Almost surely, 2^313525253563 is an apocalyptic number.

313525253563 is a deficient number, since it is larger than the sum of its proper divisors (1).

313525253563 is an equidigital number, since it uses as much as digits as its factorization.

313525253563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1215000, while the sum is 43.

Adding to 313525253563 its reverse (365352525313), we get a palindrome (678877778876).

The spelling of 313525253563 in words is "three hundred thirteen billion, five hundred twenty-five million, two hundred fifty-three thousand, five hundred sixty-three".