421349 has 2 divisors, whose sum is σ = 421350. Its totient is φ = 421348.

The previous prime is 421339. The next prime is 421361. The reversal of 421349 is 943124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 368449 + 52900 = 607^2 + 230^2 .

It is a cyclic number.

It is not a de Polignac number, because 421349 - 2⁸ = 421093 is a prime.

It is equal to p₃₅₄₉₂ and since 421349 and 35492 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210674 + 210675.

It is an arithmetic number, because the mean of its divisors is an integer number (210675).

2⁴²¹³⁴⁹ is an apocalyptic number.

It is an amenable number.

421349 is a deficient number, since it is larger than the sum of its proper divisors (1).

421349 is an equidigital number, since it uses as much as digits as its factorization.

421349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 23.

The square root of 421349 is about 649.1140115573. The cubic root of 421349 is about 74.9688166661.

The spelling of 421349 in words is "four hundred twenty-one thousand, three hundred forty-nine".