481568501 has 2 divisors, whose sum is σ = 481568502. Its totient is φ = 481568500.

The previous prime is 481568467. The next prime is 481568609. The reversal of 481568501 is 105865184.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 480749476 + 819025 = 21926^2 + 905^2 .

It is a cyclic number.

It is not a de Polignac number, because 481568501 - 2²² = 477374197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481568201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240784250 + 240784251.

It is an arithmetic number, because the mean of its divisors is an integer number (240784251).

Almost surely, 2^481568501 is an apocalyptic number.

It is an amenable number.

481568501 is a deficient number, since it is larger than the sum of its proper divisors (1).

481568501 is an equidigital number, since it uses as much as digits as its factorization.

481568501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38400, while the sum is 38.

The square root of 481568501 is about 21944.6690793003. The cubic root of 481568501 is about 783.8254445526.

The spelling of 481568501 in words is "four hundred eighty-one million, five hundred sixty-eight thousand, five hundred one".