475001161 has 2 divisors, whose sum is σ = 475001162. Its totient is φ = 475001160.

The previous prime is 475001117. The next prime is 475001171. The reversal of 475001161 is 161100574.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 276191161 + 198810000 = 16619^2 + 14100^2 .

It is a cyclic number.

It is not a de Polignac number, because 475001161 - 2⁹ = 475000649 is a prime.

It is a super-2 number, since 2×475001161² = 451252205902695842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (475001171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237500580 + 237500581.

It is an arithmetic number, because the mean of its divisors is an integer number (237500581).

Almost surely, 2^475001161 is an apocalyptic number.

It is an amenable number.

475001161 is a deficient number, since it is larger than the sum of its proper divisors (1).

475001161 is an equidigital number, since it uses as much as digits as its factorization.

475001161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 475001161 is about 21794.5213528538. The cubic root of 475001161 is about 780.2460110481.

The spelling of 475001161 in words is "four hundred seventy-five million, one thousand, one hundred sixty-one".