25241122523 has 4 divisors (see below), whose sum is σ = 25241620848. Its totient is φ = 25240624200.

The previous prime is 25241122519. The next prime is 25241122541. The reversal of 25241122523 is 32522114252.

It is a happy number.

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 25241122523 - 2² = 25241122519 is a prime.

It is a super-2 number, since 2×25241122523² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25241127523) 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, 163328 + ... + 277773.

It is an arithmetic number, because the mean of its divisors is an integer number (6310405212).

Almost surely, 2^25241122523 is an apocalyptic number.

25241122523 is a deficient number, since it is larger than the sum of its proper divisors (498325).

25241122523 is an equidigital number, since it uses as much as digits as its factorization.

25241122523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498324.

The product of its digits is 9600, while the sum is 29.

Adding to 25241122523 its reverse (32522114252), we get a palindrome (57763236775).

The spelling of 25241122523 in words is "twenty-five billion, two hundred forty-one million, one hundred twenty-two thousand, five hundred twenty-three".