481065421 has 2 divisors, whose sum is σ = 481065422. Its totient is φ = 481065420.

The previous prime is 481065413. The next prime is 481065451. The reversal of 481065421 is 124560184.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 307616521 + 173448900 = 17539^2 + 13170^2 .

It is a cyclic number.

It is not a de Polignac number, because 481065421 - 2³ = 481065413 is a prime.

It is a super-3 number, since 3×481065421³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481065451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240532710 + 240532711.

It is an arithmetic number, because the mean of its divisors is an integer number (240532711).

Almost surely, 2^481065421 is an apocalyptic number.

It is an amenable number.

481065421 is a deficient number, since it is larger than the sum of its proper divisors (1).

481065421 is an equidigital number, since it uses as much as digits as its factorization.

481065421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 481065421 is about 21933.2036191706. The cubic root of 481065421 is about 783.5524032322.

The spelling of 481065421 in words is "four hundred eighty-one million, sixty-five thousand, four hundred twenty-one".