472500281574281 has 4 divisors (see below), whose sum is σ = 473002407272964. Its totient is φ = 471998155875600.

The previous prime is 472500281574271. The next prime is 472500281574283. The reversal of 472500281574281 is 182475182005274.

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

It can be written as a sum of positive squares in 2 ways, for example, as 240760065438025 + 231740216136256 = 15516445^2 + 15223016^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-472500281574281 is a prime.

It is a super-2 number, since 2×472500281574281² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (472500281574283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251062847930 + ... + 251062849811.

It is an arithmetic number, because the mean of its divisors is an integer number (118250601818241).

Almost surely, 2^{472500281574281} is an apocalyptic number.

It is an amenable number.

472500281574281 is a deficient number, since it is larger than the sum of its proper divisors (502125698683).

472500281574281 is an equidigital number, since it uses as much as digits as its factorization.

472500281574281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502125698682.

The product of its (nonzero) digits is 10035200, while the sum is 56.

The spelling of 472500281574281 in words is "four hundred seventy-two trillion, five hundred billion, two hundred eighty-one million, five hundred seventy-four thousand, two hundred eighty-one".