478193141 has 2 divisors, whose sum is σ = 478193142. Its totient is φ = 478193140.

The previous prime is 478193113. The next prime is 478193201. The reversal of 478193141 is 141391874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 422466916 + 55726225 = 20554^2 + 7465^2 .

It is a cyclic number.

It is not a de Polignac number, because 478193141 - 2²⁶ = 411084277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 478193095 and 478193104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478193041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239096570 + 239096571.

It is an arithmetic number, because the mean of its divisors is an integer number (239096571).

Almost surely, 2^478193141 is an apocalyptic number.

It is an amenable number.

478193141 is a deficient number, since it is larger than the sum of its proper divisors (1).

478193141 is an equidigital number, since it uses as much as digits as its factorization.

478193141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 38.

The square root of 478193141 is about 21867.6276948370. The cubic root of 478193141 is about 781.9898465463.

The spelling of 478193141 in words is "four hundred seventy-eight million, one hundred ninety-three thousand, one hundred forty-one".