25248921223 has 4 divisors (see below), whose sum is σ = 25249426840. Its totient is φ = 25248415608.

The previous prime is 25248921197. The next prime is 25248921287. The reversal of 25248921223 is 32212984252.

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

It is a cyclic number.

It is not a de Polignac number, because 25248921223 - 2²⁵ = 25215366791 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 (25248921023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168540 + ... + 280897.

It is an arithmetic number, because the mean of its divisors is an integer number (6312356710).

Almost surely, 2^25248921223 is an apocalyptic number.

25248921223 is a deficient number, since it is larger than the sum of its proper divisors (505617).

25248921223 is an equidigital number, since it uses as much as digits as its factorization.

25248921223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505616.

The product of its digits is 138240, while the sum is 40.

The spelling of 25248921223 in words is "twenty-five billion, two hundred forty-eight million, nine hundred twenty-one thousand, two hundred twenty-three".