471387445 has 8 divisors (see below), whose sum is σ = 566779320. Its totient is φ = 376367040.

The previous prime is 471387439. The next prime is 471387451. The reversal of 471387445 is 544783174.

It is an interprime number because it is at equal distance from previous prime (471387439) and next prime (471387451).

It can be written as a sum of positive squares in 4 ways, for example, as 157176369 + 314211076 = 12537^2 + 17726^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 471387445 - 2⁷ = 471387317 is a prime.

It is a super-2 number, since 2×471387445² = 444412246607256050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90066 + ... + 95155.

It is an arithmetic number, because the mean of its divisors is an integer number (70847415).

Almost surely, 2^471387445 is an apocalyptic number.

It is an amenable number.

471387445 is a deficient number, since it is larger than the sum of its proper divisors (95391875).

471387445 is a wasteful number, since it uses less digits than its factorization.

471387445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185735.

The product of its digits is 376320, while the sum is 43.

The square root of 471387445 is about 21711.4588408978. The cubic root of 471387445 is about 778.2623189426.

The spelling of 471387445 in words is "four hundred seventy-one million, three hundred eighty-seven thousand, four hundred forty-five".