25150423425 has 24 divisors (see below), whose sum is σ = 41588960160. Its totient is φ = 13411324800.

The previous prime is 25150423369. The next prime is 25150423427. The reversal of 25150423425 is 52432405152.

It is a happy number.

It is not a de Polignac number, because 25150423425 - 2⁷ = 25150423297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25150423427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 488566 + ... + 537584.

It is an arithmetic number, because the mean of its divisors is an integer number (1732873340).

Almost surely, 2^25150423425 is an apocalyptic number.

25150423425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25150423425 is a deficient number, since it is larger than the sum of its proper divisors (16438536735).

25150423425 is a wasteful number, since it uses less digits than its factorization.

25150423425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55873 (or 55868 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 25150423425 its reverse (52432405152), we get a palindrome (77582828577).

The spelling of 25150423425 in words is "twenty-five billion, one hundred fifty million, four hundred twenty-three thousand, four hundred twenty-five".