25354223325 has 36 divisors (see below), whose sum is σ = 45430454368. Its totient is φ = 13516826400.

The previous prime is 25354223311. The next prime is 25354223329. The reversal of 25354223325 is 52332245352.

25354223325 is a `hidden beast` number, since 253 + 54 + 22 + 332 + 5 = 666.

It is not a de Polignac number, because 25354223325 - 2⁶ = 25354223261 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25354223325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25354223329) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 574290 + ... + 616860.

Almost surely, 2^25354223325 is an apocalyptic number.

25354223325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25354223325 is a deficient number, since it is larger than the sum of its proper divisors (20076231043).

25354223325 is a wasteful number, since it uses less digits than its factorization.

25354223325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45234 (or 45226 counting only the distinct ones).

The product of its digits is 216000, while the sum is 36.

Adding to 25354223325 its reverse (52332245352), we get a palindrome (77686468677).

The spelling of 25354223325 in words is "twenty-five billion, three hundred fifty-four million, two hundred twenty-three thousand, three hundred twenty-five".