480078581 has 2 divisors, whose sum is σ = 480078582. Its totient is φ = 480078580.

The previous prime is 480078569. The next prime is 480078659. The reversal of 480078581 is 185870084.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 464790481 + 15288100 = 21559^2 + 3910^2 .

It is a cyclic number.

It is not a de Polignac number, because 480078581 - 2¹⁸ = 479816437 is a prime.

It is a super-2 number, since 2×480078581² = 460950887869947122, 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 (480078541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240039290 + 240039291.

It is an arithmetic number, because the mean of its divisors is an integer number (240039291).

Almost surely, 2^480078581 is an apocalyptic number.

It is an amenable number.

480078581 is a deficient number, since it is larger than the sum of its proper divisors (1).

480078581 is an equidigital number, since it uses as much as digits as its factorization.

480078581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71680, while the sum is 41.

The square root of 480078581 is about 21910.6955845770. The cubic root of 480078581 is about 783.0162528765.

The spelling of 480078581 in words is "four hundred eighty million, seventy-eight thousand, five hundred eighty-one".