462732421 has 2 divisors, whose sum is σ = 462732422. Its totient is φ = 462732420.

The previous prime is 462732419. The next prime is 462732493. The reversal of 462732421 is 124237264.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 383611396 + 79121025 = 19586^2 + 8895^2 .

It is a cyclic number.

It is not a de Polignac number, because 462732421 - 2¹ = 462732419 is a prime.

Together with 462732419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (462772421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231366210 + 231366211.

It is an arithmetic number, because the mean of its divisors is an integer number (231366211).

Almost surely, 2^462732421 is an apocalyptic number.

It is an amenable number.

462732421 is a deficient number, since it is larger than the sum of its proper divisors (1).

462732421 is an equidigital number, since it uses as much as digits as its factorization.

462732421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 31.

The square root of 462732421 is about 21511.2161673858. The cubic root of 462732421 is about 773.4697078947.

Adding to 462732421 its reverse (124237264), we get a palindrome (586969685).

The spelling of 462732421 in words is "four hundred sixty-two million, seven hundred thirty-two thousand, four hundred twenty-one".