225256035025 has 12 divisors (see below), whose sum is σ = 319219981312. Its totient is φ = 154461281040.

The previous prime is 225256034947. The next prime is 225256035031. The reversal of 225256035025 is 520530652522.

It is not a de Polignac number, because 225256035025 - 2⁷ = 225256034897 is a prime.

It is a Duffinian number.

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, 643588497 + ... + 643588846.

Almost surely, 2^225256035025 is an apocalyptic number.

225256035025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225256035025 is a deficient number, since it is larger than the sum of its proper divisors (93963946287).

225256035025 is a wasteful number, since it uses less digits than its factorization.

225256035025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287177360 (or 1287177355 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 37.

Adding to 225256035025 its reverse (520530652522), we get a palindrome (745786687547).

The spelling of 225256035025 in words is "two hundred twenty-five billion, two hundred fifty-six million, thirty-five thousand, twenty-five".