468197281 has 4 divisors (see below), whose sum is σ = 468492052. Its totient is φ = 467902512.

The previous prime is 468197267. The next prime is 468197291. The reversal of 468197281 is 182791864.

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 53056656 + 415140625 = 7284^2 + 20375^2 .

It is a cyclic number.

It is not a de Polignac number, because 468197281 - 2⁹ = 468196769 is a prime.

It is a super-2 number, since 2×468197281² = 438417387871585922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (468197231) 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, 144990 + ... + 148183.

It is an arithmetic number, because the mean of its divisors is an integer number (117123013).

Almost surely, 2^468197281 is an apocalyptic number.

It is an amenable number.

468197281 is a deficient number, since it is larger than the sum of its proper divisors (294771).

468197281 is a wasteful number, since it uses less digits than its factorization.

468197281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294770.

The product of its digits is 193536, while the sum is 46.

The square root of 468197281 is about 21637.8668310904. The cubic root of 468197281 is about 776.5026861487.

The spelling of 468197281 in words is "four hundred sixty-eight million, one hundred ninety-seven thousand, two hundred eighty-one".