420361 has 2 divisors, whose sum is σ = 420362. Its totient is φ = 420360.

The previous prime is 420353. The next prime is 420367. The reversal of 420361 is 163024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 414736 + 5625 = 644^2 + 75^2 .

It is a cyclic number.

It is not a de Polignac number, because 420361 - 2³ = 420353 is a prime.

It is not a weakly prime, because it can be changed into another prime (420367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210180 + 210181.

It is an arithmetic number, because the mean of its divisors is an integer number (210181).

2⁴²⁰³⁶¹ is an apocalyptic number.

It is an amenable number.

420361 is a deficient number, since it is larger than the sum of its proper divisors (1).

420361 is an equidigital number, since it uses as much as digits as its factorization.

420361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 420361 is about 648.3525275651. The cubic root of 420361 is about 74.9101739415.

Adding to 420361 its reverse (163024), we get a palindrome (583385).

The spelling of 420361 in words is "four hundred twenty thousand, three hundred sixty-one".