471373621 has 2 divisors, whose sum is σ = 471373622. Its totient is φ = 471373620.

The previous prime is 471373613. The next prime is 471373649. The reversal of 471373621 is 126373174.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 286794225 + 184579396 = 16935^2 + 13586^2 .

It is a cyclic number.

It is not a de Polignac number, because 471373621 - 2³ = 471373613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (471373601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235686810 + 235686811.

It is an arithmetic number, because the mean of its divisors is an integer number (235686811).

Almost surely, 2^471373621 is an apocalyptic number.

It is an amenable number.

471373621 is a deficient number, since it is larger than the sum of its proper divisors (1).

471373621 is an equidigital number, since it uses as much as digits as its factorization.

471373621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 34.

The square root of 471373621 is about 21711.1404813289. The cubic root of 471373621 is about 778.2547110441.

The spelling of 471373621 in words is "four hundred seventy-one million, three hundred seventy-three thousand, six hundred twenty-one".