475345511 has 2 divisors, whose sum is σ = 475345512. Its totient is φ = 475345510.

The previous prime is 475345487. The next prime is 475345547. The reversal of 475345511 is 115543574.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-475345511 is a prime.

It is a super-2 number, since 2×475345511² = 451906709655702242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475345561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237672755 + 237672756.

It is an arithmetic number, because the mean of its divisors is an integer number (237672756).

Almost surely, 2^475345511 is an apocalyptic number.

475345511 is a deficient number, since it is larger than the sum of its proper divisors (1).

475345511 is an equidigital number, since it uses as much as digits as its factorization.

475345511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42000, while the sum is 35.

The square root of 475345511 is about 21802.4198427606. The cubic root of 475345511 is about 780.4345108080.

The spelling of 475345511 in words is "four hundred seventy-five million, three hundred forty-five thousand, five hundred eleven".