25224142103 has 4 divisors (see below), whose sum is σ = 25507559520. Its totient is φ = 24940724688.

The previous prime is 25224142079. The next prime is 25224142129. The reversal of 25224142103 is 30124142252.

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 25224142103 - 2¹² = 25224138007 is a prime.

It is a super-3 number, since 3×25224142103³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25424142103) 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, 141708575 + ... + 141708752.

It is an arithmetic number, because the mean of its divisors is an integer number (6376889880).

Almost surely, 2^25224142103 is an apocalyptic number.

25224142103 is a deficient number, since it is larger than the sum of its proper divisors (283417417).

25224142103 is an equidigital number, since it uses as much as digits as its factorization.

25224142103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283417416.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 25224142103 its reverse (30124142252), we get a palindrome (55348284355).

The spelling of 25224142103 in words is "twenty-five billion, two hundred twenty-four million, one hundred forty-two thousand, one hundred three".