462340421 has 2 divisors, whose sum is σ = 462340422. Its totient is φ = 462340420.

The previous prime is 462340409. The next prime is 462340441. The reversal of 462340421 is 124043264.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 443944900 + 18395521 = 21070^2 + 4289^2 .

It is a cyclic number.

It is not a de Polignac number, because 462340421 - 2¹⁸ = 462078277 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (462340441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231170210 + 231170211.

It is an arithmetic number, because the mean of its divisors is an integer number (231170211).

Almost surely, 2^462340421 is an apocalyptic number.

It is an amenable number.

462340421 is a deficient number, since it is larger than the sum of its proper divisors (1).

462340421 is an equidigital number, since it uses as much as digits as its factorization.

462340421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 462340421 is about 21502.1027111304. The cubic root of 462340421 is about 773.2512333365.

Adding to 462340421 its reverse (124043264), we get a palindrome (586383685).

The spelling of 462340421 in words is "four hundred sixty-two million, three hundred forty thousand, four hundred twenty-one".