470621 has 2 divisors, whose sum is σ = 470622. Its totient is φ = 470620.

The previous prime is 470609. The next prime is 470627. The reversal of 470621 is 126074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 470596 + 25 = 686^2 + 5^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-470621 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 470593 and 470602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (470627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235310 + 235311.

It is an arithmetic number, because the mean of its divisors is an integer number (235311).

2⁴⁷⁰⁶²¹ is an apocalyptic number.

It is an amenable number.

470621 is a deficient number, since it is larger than the sum of its proper divisors (1).

470621 is an equidigital number, since it uses as much as digits as its factorization.

470621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 470621 is about 686.0182213323. The cubic root of 470621 is about 77.7840289004.

Adding to 470621 its reverse (126074), we get a palindrome (596695).

The spelling of 470621 in words is "four hundred seventy thousand, six hundred twenty-one".