25217050232 has 32 divisors (see below), whose sum is σ = 54614470320. Its totient is φ = 10788042240.

The previous prime is 25217050219. The next prime is 25217050279. The reversal of 25217050232 is 23205071252.

It is a super-2 number, since 2×25217050232² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25217050195 and 25217050204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8426663 + ... + 8429654.

Almost surely, 2^25217050232 is an apocalyptic number.

25217050232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25217050232 is an abundant number, since it is smaller than the sum of its proper divisors (29397420088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25217050232 is a wasteful number, since it uses less digits than its factorization.

25217050232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16856351 (or 16856347 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The spelling of 25217050232 in words is "twenty-five billion, two hundred seventeen million, fifty thousand, two hundred thirty-two".