62543421 has 20 divisors (see below), whose sum is σ = 98348800. Its totient is φ = 39500136.

The previous prime is 62543419. The next prime is 62543423. The reversal of 62543421 is 12434526.

62543421 is a `hidden beast` number, since 625 + 4 + 34 + 2 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (62543419) and next prime (62543423).

It is not a de Polignac number, because 62543421 - 2¹ = 62543419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (62543423) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18781 + ... + 21858.

It is an arithmetic number, because the mean of its divisors is an integer number (4917440).

Almost surely, 2^62543421 is an apocalyptic number.

It is an amenable number.

62543421 is a deficient number, since it is larger than the sum of its proper divisors (35805379).

62543421 is a wasteful number, since it uses less digits than its factorization.

62543421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40670 (or 40661 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 62543421 is about 7908.4398587838. The cubic root of 62543421 is about 396.9421437725.

Adding to 62543421 its reverse (12434526), we get a palindrome (74977947).

The spelling of 62543421 in words is "sixty-two million, five hundred forty-three thousand, four hundred twenty-one".