475398901 has 2 divisors, whose sum is σ = 475398902. Its totient is φ = 475398900.

The previous prime is 475398899. The next prime is 475398907. The reversal of 475398901 is 109893574.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 475196401 + 202500 = 21799^2 + 450^2 .

It is a cyclic number.

It is not a de Polignac number, because 475398901 - 2¹ = 475398899 is a prime.

It is a super-3 number, since 3×475398901³ (a number of 27 digits) contains 333 as substring.

Together with 475398899, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475398907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237699450 + 237699451.

It is an arithmetic number, because the mean of its divisors is an integer number (237699451).

Almost surely, 2^475398901 is an apocalyptic number.

It is an amenable number.

475398901 is a deficient number, since it is larger than the sum of its proper divisors (1).

475398901 is an equidigital number, since it uses as much as digits as its factorization.

475398901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 475398901 is about 21803.6442137547. The cubic root of 475398901 is about 780.4637287401.

The spelling of 475398901 in words is "four hundred seventy-five million, three hundred ninety-eight thousand, nine hundred one".