481972481 has 2 divisors, whose sum is σ = 481972482. Its totient is φ = 481972480.

The previous prime is 481972441. The next prime is 481972511. The reversal of 481972481 is 184279184.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 462250000 + 19722481 = 21500^2 + 4441^2 .

It is a cyclic number.

It is not a de Polignac number, because 481972481 - 2⁶ = 481972417 is a prime.

It is a super-2 number, since 2×481972481² = 464594944882590722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (481972441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240986240 + 240986241.

It is an arithmetic number, because the mean of its divisors is an integer number (240986241).

Almost surely, 2^481972481 is an apocalyptic number.

It is an amenable number.

481972481 is a deficient number, since it is larger than the sum of its proper divisors (1).

481972481 is an equidigital number, since it uses as much as digits as its factorization.

481972481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 44.

The square root of 481972481 is about 21953.8716631031. The cubic root of 481972481 is about 784.0445627740.

The spelling of 481972481 in words is "four hundred eighty-one million, nine hundred seventy-two thousand, four hundred eighty-one".