62431421 has 8 divisors (see below), whose sum is σ = 67313400. Its totient is φ = 57560832.

The previous prime is 62431417. The next prime is 62431451. The reversal of 62431421 is 12413426.

It can be written as a sum of positive squares in 4 ways, for example, as 33120025 + 29311396 = 5755^2 + 5414^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 62431421 - 2² = 62431417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (62431451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11105 + ... + 15753.

It is an arithmetic number, because the mean of its divisors is an integer number (8414175).

Almost surely, 2^62431421 is an apocalyptic number.

It is an amenable number.

62431421 is a deficient number, since it is larger than the sum of its proper divisors (4881979).

62431421 is a wasteful number, since it uses less digits than its factorization.

62431421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5695.

The product of its digits is 1152, while the sum is 23.

The square root of 62431421 is about 7901.3556431792. The cubic root of 62431421 is about 396.7050600348.

Adding to 62431421 its reverse (12413426), we get a palindrome (74844847).

The spelling of 62431421 in words is "sixty-two million, four hundred thirty-one thousand, four hundred twenty-one".