478191053 has 2 divisors, whose sum is σ = 478191054. Its totient is φ = 478191052.

The previous prime is 478191041. The next prime is 478191061. The reversal of 478191053 is 350191874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 429442729 + 48748324 = 20723^2 + 6982^2 .

It is a cyclic number.

It is not a de Polignac number, because 478191053 - 2¹⁰ = 478190029 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 478190998 and 478191016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478191023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239095526 + 239095527.

It is an arithmetic number, because the mean of its divisors is an integer number (239095527).

Almost surely, 2^478191053 is an apocalyptic number.

It is an amenable number.

478191053 is a deficient number, since it is larger than the sum of its proper divisors (1).

478191053 is an equidigital number, since it uses as much as digits as its factorization.

478191053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 478191053 is about 21867.5799529806. The cubic root of 478191053 is about 781.9887083750.

The spelling of 478191053 in words is "four hundred seventy-eight million, one hundred ninety-one thousand, fifty-three".