32251240 has 32 divisors (see below), whose sum is σ = 82932480. Its totient is φ = 11057472.

The previous prime is 32251231. The next prime is 32251243. The reversal of 32251240 is 4215223.

It is not an unprimeable number, because it can be changed into a prime (32251243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57312 + ... + 57871.

It is an arithmetic number, because the mean of its divisors is an integer number (2591640).

Almost surely, 2^32251240 is an apocalyptic number.

It is an amenable number.

32251240 is an abundant number, since it is smaller than the sum of its proper divisors (50681240).

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

32251240 is a wasteful number, since it uses less digits than its factorization.

32251240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115201 (or 115197 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 32251240 is about 5679.0175206632. The cubic root of 32251240 is about 318.3089175344.

Adding to 32251240 its reverse (4215223), we get a palindrome (36466463).

It can be divided in two parts, 3225 and 1240, that added together give a triangular number (4465 = T₉₄).

The spelling of 32251240 in words is "thirty-two million, two hundred fifty-one thousand, two hundred forty".