461764481 has 2 divisors, whose sum is σ = 461764482. Its totient is φ = 461764480.

The previous prime is 461764447. The next prime is 461764483. The reversal of 461764481 is 184467164.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 382554481 + 79210000 = 19559^2 + 8900^2 .

It is a cyclic number.

It is not a de Polignac number, because 461764481 - 2⁶ = 461764417 is a prime.

It is a super-2 number, since 2×461764481² = 426452871826398722, which contains 22 as substring.

Together with 461764483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (461764483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230882240 + 230882241.

It is an arithmetic number, because the mean of its divisors is an integer number (230882241).

Almost surely, 2^461764481 is an apocalyptic number.

It is an amenable number.

461764481 is a deficient number, since it is larger than the sum of its proper divisors (1).

461764481 is an equidigital number, since it uses as much as digits as its factorization.

461764481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 41.

The square root of 461764481 is about 21488.7058940272. The cubic root of 461764481 is about 772.9300188183.

The spelling of 461764481 in words is "four hundred sixty-one million, seven hundred sixty-four thousand, four hundred eighty-one".