4975421 has 8 divisors (see below), whose sum is σ = 5484864. Its totient is φ = 4475520.

The previous prime is 4975417. The next prime is 4975457. The reversal of 4975421 is 1245794.

It is a happy number.

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 4975421 - 2² = 4975417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4975021) 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, 1265 + ... + 3398.

It is an arithmetic number, because the mean of its divisors is an integer number (685608).

Almost surely, 2^4975421 is an apocalyptic number.

It is an amenable number.

4975421 is a deficient number, since it is larger than the sum of its proper divisors (509443).

4975421 is a wasteful number, since it uses less digits than its factorization.

4975421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4771.

The product of its digits is 10080, while the sum is 32.

The square root of 4975421 is about 2230.5651750173. The cubic root of 4975421 is about 170.7169376208.

The spelling of 4975421 in words is "four million, nine hundred seventy-five thousand, four hundred twenty-one".