32501256745 has 8 divisors (see below), whose sum is σ = 39015753480. Its totient is φ = 25991508480.

The previous prime is 32501256743. The next prime is 32501256751. The reversal of 32501256745 is 54765210523.

It can be written as a sum of positive squares in 4 ways, for example, as 188677696 + 32312579049 = 13736^2 + 179757^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 32501256745 - 2¹ = 32501256743 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 32501256698 and 32501256707.

It is not an unprimeable number, because it can be changed into a prime (32501256743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1172040 + ... + 1199449.

It is an arithmetic number, because the mean of its divisors is an integer number (4876969185).

Almost surely, 2^32501256745 is an apocalyptic number.

It is an amenable number.

32501256745 is a deficient number, since it is larger than the sum of its proper divisors (6514496735).

32501256745 is a wasteful number, since it uses less digits than its factorization.

32501256745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2374235.

The product of its (nonzero) digits is 252000, while the sum is 40.

The spelling of 32501256745 in words is "thirty-two billion, five hundred one million, two hundred fifty-six thousand, seven hundred forty-five".