32501252501 has 4 divisors (see below), whose sum is σ = 32946475212. Its totient is φ = 32056029792.

The previous prime is 32501252489. The next prime is 32501252627. The reversal of 32501252501 is 10525210523.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10525210523 = 1063 ⋅9901421.

It can be written as a sum of positive squares in 2 ways, for example, as 23271807601 + 9229444900 = 152551^2 + 96070^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32501252501 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32501252401) 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 3 ways as a sum of consecutive naturals, for example, 222611246 + ... + 222611391.

It is an arithmetic number, because the mean of its divisors is an integer number (8236618803).

Almost surely, 2^32501252501 is an apocalyptic number.

It is an amenable number.

32501252501 is a deficient number, since it is larger than the sum of its proper divisors (445222711).

32501252501 is an equidigital number, since it uses as much as digits as its factorization.

32501252501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445222710.

The product of its (nonzero) digits is 3000, while the sum is 26.

The spelling of 32501252501 in words is "thirty-two billion, five hundred one million, two hundred fifty-two thousand, five hundred one".