475001261 has 4 divisors (see below), whose sum is σ = 542858592. Its totient is φ = 407143932.

The previous prime is 475001243. The next prime is 475001299. The reversal of 475001261 is 162100574.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 475001261 - 2¹⁰ = 475000237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 475001261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475001231) 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, 33928655 + ... + 33928668.

It is an arithmetic number, because the mean of its divisors is an integer number (135714648).

Almost surely, 2^475001261 is an apocalyptic number.

It is an amenable number.

475001261 is a deficient number, since it is larger than the sum of its proper divisors (67857331).

475001261 is an equidigital number, since it uses as much as digits as its factorization.

475001261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67857330.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 475001261 is about 21794.5236470082. The cubic root of 475001261 is about 780.2460658020.

The spelling of 475001261 in words is "four hundred seventy-five million, one thousand, two hundred sixty-one".