25154562223 has 4 divisors (see below), whose sum is σ = 28748071120. Its totient is φ = 21561053328.

The previous prime is 25154562211. The next prime is 25154562247. The reversal of 25154562223 is 32226545152.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25154562223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25154563223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1796754438 + ... + 1796754451.

It is an arithmetic number, because the mean of its divisors is an integer number (7187017780).

Almost surely, 2^25154562223 is an apocalyptic number.

25154562223 is a deficient number, since it is larger than the sum of its proper divisors (3593508897).

25154562223 is an equidigital number, since it uses as much as digits as its factorization.

25154562223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3593508896.

The product of its digits is 144000, while the sum is 37.

The spelling of 25154562223 in words is "twenty-five billion, one hundred fifty-four million, five hundred sixty-two thousand, two hundred twenty-three".