32172552403 has 4 divisors (see below), whose sum is σ = 32358521088. Its totient is φ = 31986583720.

The previous prime is 32172552397. The next prime is 32172552443. The reversal of 32172552403 is 30425527123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32172552403 is a prime.

It is a super-3 number, since 3×32172552403³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32172552443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92984083 + ... + 92984428.

It is an arithmetic number, because the mean of its divisors is an integer number (8089630272).

Almost surely, 2^32172552403 is an apocalyptic number.

32172552403 is a deficient number, since it is larger than the sum of its proper divisors (185968685).

32172552403 is a wasteful number, since it uses less digits than its factorization.

32172552403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185968684.

The product of its (nonzero) digits is 50400, while the sum is 34.

The spelling of 32172552403 in words is "thirty-two billion, one hundred seventy-two million, five hundred fifty-two thousand, four hundred three".