475391527 has 4 divisors (see below), whose sum is σ = 511960120. Its totient is φ = 438822936.

The previous prime is 475391509. The next prime is 475391557. The reversal of 475391527 is 725193574.

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 475391527 - 2¹⁵ = 475358759 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 (475391557) 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, 18284277 + ... + 18284302.

It is an arithmetic number, because the mean of its divisors is an integer number (127990030).

Almost surely, 2^475391527 is an apocalyptic number.

475391527 is a deficient number, since it is larger than the sum of its proper divisors (36568593).

475391527 is a wasteful number, since it uses less digits than its factorization.

475391527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36568592.

The product of its digits is 264600, while the sum is 43.

The square root of 475391527 is about 21803.4751129264. The cubic root of 475391527 is about 780.4596934137.

The spelling of 475391527 in words is "four hundred seventy-five million, three hundred ninety-one thousand, five hundred twenty-seven".