475770131 has 4 divisors (see below), whose sum is σ = 478800672. Its totient is φ = 472739592.

The previous prime is 475770121. The next prime is 475770137. The reversal of 475770131 is 131077574.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 475770131 - 2²² = 471575827 is a prime.

It is a super-2 number, since 2×475770131² = 452714435103514322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 475770091 and 475770100.

It is not an unprimeable number, because it can be changed into a prime (475770137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1515035 + ... + 1515348.

It is an arithmetic number, because the mean of its divisors is an integer number (119700168).

Almost surely, 2^475770131 is an apocalyptic number.

475770131 is a deficient number, since it is larger than the sum of its proper divisors (3030541).

475770131 is a wasteful number, since it uses less digits than its factorization.

475770131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030540.

The product of its (nonzero) digits is 20580, while the sum is 35.

The square root of 475770131 is about 21812.1555789427. The cubic root of 475770131 is about 780.6668256670. Note that the first 3 decimals are identical.

The spelling of 475770131 in words is "four hundred seventy-five million, seven hundred seventy thousand, one hundred thirty-one".