481502381 has 2 divisors, whose sum is σ = 481502382. Its totient is φ = 481502380.

The previous prime is 481502321. The next prime is 481502419. The reversal of 481502381 is 183205184.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 286760356 + 194742025 = 16934^2 + 13955^2 .

It is a cyclic number.

It is not a de Polignac number, because 481502381 - 2⁶ = 481502317 is a prime.

It is a super-2 number, since 2×481502381² = 463689085817338322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481502321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240751190 + 240751191.

It is an arithmetic number, because the mean of its divisors is an integer number (240751191).

Almost surely, 2^481502381 is an apocalyptic number.

It is an amenable number.

481502381 is a deficient number, since it is larger than the sum of its proper divisors (1).

481502381 is an equidigital number, since it uses as much as digits as its factorization.

481502381 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 32.

The square root of 481502381 is about 21943.1625113610. The cubic root of 481502381 is about 783.7895694830.

The spelling of 481502381 in words is "four hundred eighty-one million, five hundred two thousand, three hundred eighty-one".