63021413 has 8 divisors (see below), whose sum is σ = 77564928. Its totient is φ = 49863024.

The previous prime is 63021377. The next prime is 63021421. The reversal of 63021413 is 31412036.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63021413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63021433) 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, 346181 + ... + 346362.

It is an arithmetic number, because the mean of its divisors is an integer number (9695616).

Almost surely, 2^63021413 is an apocalyptic number.

It is an amenable number.

63021413 is a deficient number, since it is larger than the sum of its proper divisors (14543515).

63021413 is a wasteful number, since it uses less digits than its factorization.

63021413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692563.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 63021413 is about 7938.6027108050. The cubic root of 63021413 is about 397.9507969275.

Adding to 63021413 its reverse (31412036), we get a palindrome (94433449).

The spelling of 63021413 in words is "sixty-three million, twenty-one thousand, four hundred thirteen".