25223033313 has 14 divisors (see below), whose sum is σ = 37817251314. Its totient is φ = 16815355056.

The previous prime is 25223033279. The next prime is 25223033321. The reversal of 25223033313 is 31333032252.

25223033313 is a `hidden beast` number, since 2 + 5 + 22 + 303 + 331 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 13535693649 + 11687339664 = 116343^2 + 108108^2 .

It is not a de Polignac number, because 25223033313 - 2²⁶ = 25155924449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (25223033393) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 17299020 + ... + 17300477.

Almost surely, 2^25223033313 is an apocalyptic number.

It is an amenable number.

25223033313 is a deficient number, since it is larger than the sum of its proper divisors (12594218001).

25223033313 is an frugal number, since it uses more digits than its factorization.

25223033313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34599515 (or 34599500 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 27.

Adding to 25223033313 its reverse (31333032252), we get a palindrome (56556065565).

The spelling of 25223033313 in words is "twenty-five billion, two hundred twenty-three million, thirty-three thousand, three hundred thirteen".