32543250225 has 24 divisors (see below), whose sum is σ = 54359541600. Its totient is φ = 17177464320.

The previous prime is 32543250221. The next prime is 32543250269. The reversal of 32543250225 is 52205234523.

It is not a de Polignac number, because 32543250225 - 2² = 32543250221 is a prime.

It is a super-4 number, since 4×32543250225⁴ (a number of 43 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (32543250221) 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, 2229375 + ... + 2243924.

It is an arithmetic number, because the mean of its divisors is an integer number (2264980900).

Almost surely, 2^32543250225 is an apocalyptic number.

It is an amenable number.

32543250225 is a deficient number, since it is larger than the sum of its proper divisors (21816291375).

32543250225 is a wasteful number, since it uses less digits than its factorization.

32543250225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4473409 (or 4473404 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 33.

Adding to 32543250225 its reverse (52205234523), we get a palindrome (84748484748).

The spelling of 32543250225 in words is "thirty-two billion, five hundred forty-three million, two hundred fifty thousand, two hundred twenty-five".