470441921 has 2 divisors, whose sum is σ = 470441922. Its totient is φ = 470441920.

The previous prime is 470441897. The next prime is 470441927. The reversal of 470441921 is 129144074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 469328896 + 1113025 = 21664^2 + 1055^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-470441921 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (470441927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235220960 + 235220961.

It is an arithmetic number, because the mean of its divisors is an integer number (235220961).

Almost surely, 2^470441921 is an apocalyptic number.

It is an amenable number.

470441921 is a deficient number, since it is larger than the sum of its proper divisors (1).

470441921 is an equidigital number, since it uses as much as digits as its factorization.

470441921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 470441921 is about 21689.6731418433. The cubic root of 470441921 is about 777.7416161638.

Adding to 470441921 its reverse (129144074), we get a palindrome (599585995).

The spelling of 470441921 in words is "four hundred seventy million, four hundred forty-one thousand, nine hundred twenty-one".