475253407 has 4 divisors (see below), whose sum is σ = 479613640. Its totient is φ = 470893176.

The previous prime is 475253369. The next prime is 475253423. The reversal of 475253407 is 704352574.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 704352574 = 2 ⋅352176287.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-475253407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475253477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2179953 + ... + 2180170.

It is an arithmetic number, because the mean of its divisors is an integer number (119903410).

Almost surely, 2^475253407 is an apocalyptic number.

475253407 is a deficient number, since it is larger than the sum of its proper divisors (4360233).

475253407 is a wasteful number, since it uses less digits than its factorization.

475253407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4360232.

The product of its (nonzero) digits is 117600, while the sum is 37.

The square root of 475253407 is about 21800.3074978313. The cubic root of 475253407 is about 780.3841013117.

The spelling of 475253407 in words is "four hundred seventy-five million, two hundred fifty-three thousand, four hundred seven".