1475321161 has 2 divisors, whose sum is σ = 1475321162. Its totient is φ = 1475321160.

The previous prime is 1475321153. The next prime is 1475321171. The reversal of 1475321161 is 1611235741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 957531136 + 517790025 = 30944^2 + 22755^2 .

It is a cyclic number.

It is not a de Polignac number, because 1475321161 - 2³ = 1475321153 is a prime.

It is not a weakly prime, because it can be changed into another prime (1475321171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 737660580 + 737660581.

It is an arithmetic number, because the mean of its divisors is an integer number (737660581).

Almost surely, 2^1475321161 is an apocalyptic number.

It is an amenable number.

1475321161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1475321161 is an equidigital number, since it uses as much as digits as its factorization.

1475321161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 31.

The square root of 1475321161 is about 38409.9096718542. The cubic root of 1475321161 is about 1138.4016692680.

The spelling of 1475321161 in words is "one billion, four hundred seventy-five million, three hundred twenty-one thousand, one hundred sixty-one".