475547453 has 2 divisors, whose sum is σ = 475547454. Its totient is φ = 475547452.

The previous prime is 475547437. The next prime is 475547459. The reversal of 475547453 is 354745574.

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., 475109209 + 438244 = 21797^2 + 662^2 .

It is a cyclic number.

It is not a de Polignac number, because 475547453 - 2⁴ = 475547437 is a prime.

It is a super-2 number, since 2×475547453² = 452290760109574418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475547459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237773726 + 237773727.

It is an arithmetic number, because the mean of its divisors is an integer number (237773727).

Almost surely, 2^475547453 is an apocalyptic number.

It is an amenable number.

475547453 is a deficient number, since it is larger than the sum of its proper divisors (1).

475547453 is an equidigital number, since it uses as much as digits as its factorization.

475547453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1176000, while the sum is 44.

The square root of 475547453 is about 21807.0505341736. The cubic root of 475547453 is about 780.5450130213.

The spelling of 475547453 in words is "four hundred seventy-five million, five hundred forty-seven thousand, four hundred fifty-three".