475650121 has 2 divisors, whose sum is σ = 475650122. Its totient is φ = 475650120.

The previous prime is 475650103. The next prime is 475650193. The reversal of 475650121 is 121056574.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 392475721 + 83174400 = 19811^2 + 9120^2 .

It is a cyclic number.

It is not a de Polignac number, because 475650121 - 2⁹ = 475649609 is a prime.

It is not a weakly prime, because it can be changed into another prime (475650101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237825060 + 237825061.

It is an arithmetic number, because the mean of its divisors is an integer number (237825061).

Almost surely, 2^475650121 is an apocalyptic number.

It is an amenable number.

475650121 is a deficient number, since it is larger than the sum of its proper divisors (1).

475650121 is an equidigital number, since it uses as much as digits as its factorization.

475650121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 475650121 is about 21809.4044164438. The cubic root of 475650121 is about 780.6011807276.

The spelling of 475650121 in words is "four hundred seventy-five million, six hundred fifty thousand, one hundred twenty-one".