471422137 has 2 divisors, whose sum is σ = 471422138. Its totient is φ = 471422136.

The previous prime is 471422113. The next prime is 471422153. The reversal of 471422137 is 731224174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 403045776 + 68376361 = 20076^2 + 8269^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-471422137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 471422099 and 471422108.

It is not a weakly prime, because it can be changed into another prime (471422537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235711068 + 235711069.

It is an arithmetic number, because the mean of its divisors is an integer number (235711069).

Almost surely, 2^471422137 is an apocalyptic number.

It is an amenable number.

471422137 is a deficient number, since it is larger than the sum of its proper divisors (1).

471422137 is an equidigital number, since it uses as much as digits as its factorization.

471422137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9408, while the sum is 31.

The square root of 471422137 is about 21712.2577591553. The cubic root of 471422137 is about 778.2814106787.

The spelling of 471422137 in words is "four hundred seventy-one million, four hundred twenty-two thousand, one hundred thirty-seven".