478293241 has 2 divisors, whose sum is σ = 478293242. Its totient is φ = 478293240.

The previous prime is 478293173. The next prime is 478293247. The reversal of 478293241 is 142392874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 385729600 + 92563641 = 19640^2 + 9621^2 .

It is a cyclic number.

It is not a de Polignac number, because 478293241 - 2¹⁹ = 477768953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 478293194 and 478293203.

It is not a weakly prime, because it can be changed into another prime (478293247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239146620 + 239146621.

It is an arithmetic number, because the mean of its divisors is an integer number (239146621).

Almost surely, 2^478293241 is an apocalyptic number.

It is an amenable number.

478293241 is a deficient number, since it is larger than the sum of its proper divisors (1).

478293241 is an equidigital number, since it uses as much as digits as its factorization.

478293241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 40.

The square root of 478293241 is about 21869.9163464335. The cubic root of 478293241 is about 782.0444072915.

The spelling of 478293241 in words is "four hundred seventy-eight million, two hundred ninety-three thousand, two hundred forty-one".