478150061 has 2 divisors, whose sum is σ = 478150062. Its totient is φ = 478150060.

The previous prime is 478150037. The next prime is 478150087. The reversal of 478150061 is 160051874.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 462508036 + 15642025 = 21506^2 + 3955^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478150061 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478150031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239075030 + 239075031.

It is an arithmetic number, because the mean of its divisors is an integer number (239075031).

Almost surely, 2^478150061 is an apocalyptic number.

It is an amenable number.

478150061 is a deficient number, since it is larger than the sum of its proper divisors (1).

478150061 is an equidigital number, since it uses as much as digits as its factorization.

478150061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 478150061 is about 21866.6426549665. The cubic root of 478150061 is about 781.9663629150.

The spelling of 478150061 in words is "four hundred seventy-eight million, one hundred fifty thousand, sixty-one".