25250223425 has 12 divisors (see below), whose sum is σ = 35783174016. Its totient is φ = 17314438800.

The previous prime is 25250223409. The next prime is 25250223433. The reversal of 25250223425 is 52432205252.

It is not a de Polignac number, because 25250223425 - 2⁴ = 25250223409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25250223391 and 25250223400.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72143321 + ... + 72143670.

It is an arithmetic number, because the mean of its divisors is an integer number (2981931168).

Almost surely, 2^25250223425 is an apocalyptic number.

25250223425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25250223425 is a deficient number, since it is larger than the sum of its proper divisors (10532950591).

25250223425 is a wasteful number, since it uses less digits than its factorization.

25250223425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144287008 (or 144287003 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

Adding to 25250223425 its reverse (52432205252), we get a palindrome (77682428677).

The spelling of 25250223425 in words is "twenty-five billion, two hundred fifty million, two hundred twenty-three thousand, four hundred twenty-five".