470188261 has 6 divisors (see below), whose sum is σ = 499473650. Its totient is φ = 442529856.

The previous prime is 470188259. The next prime is 470188283. The reversal of 470188261 is 162881074.

It can be written as a sum of positive squares in 3 ways, for example, as 152992161 + 317196100 = 12369^2 + 17810^2 .

It is not a de Polignac number, because 470188261 - 2¹ = 470188259 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 470188261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470188291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 813186 + ... + 813763.

Almost surely, 2^470188261 is an apocalyptic number.

It is an amenable number.

470188261 is a deficient number, since it is larger than the sum of its proper divisors (29285389).

470188261 is a wasteful number, since it uses less digits than its factorization.

470188261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626983 (or 1626966 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 470188261 is about 21683.8248701653. The cubic root of 470188261 is about 777.6018061979.

The spelling of 470188261 in words is "four hundred seventy million, one hundred eighty-eight thousand, two hundred sixty-one".