475402531 has 2 divisors, whose sum is σ = 475402532. Its totient is φ = 475402530.

The previous prime is 475402517. The next prime is 475402561. The reversal of 475402531 is 135204574.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 475402531 - 2¹¹ = 475400483 is a prime.

It is a super-3 number, since 3×475402531³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 475402493 and 475402502.

It is not a weakly prime, because it can be changed into another prime (475402561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237701265 + 237701266.

It is an arithmetic number, because the mean of its divisors is an integer number (237701266).

Almost surely, 2^475402531 is an apocalyptic number.

475402531 is a deficient number, since it is larger than the sum of its proper divisors (1).

475402531 is an equidigital number, since it uses as much as digits as its factorization.

475402531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 475402531 is about 21803.7274565612. The cubic root of 475402531 is about 780.4657151955.

The spelling of 475402531 in words is "four hundred seventy-five million, four hundred two thousand, five hundred thirty-one".