4961021 has 8 divisors (see below), whose sum is σ = 5362560. Its totient is φ = 4562352.

The previous prime is 4961017. The next prime is 4961027. The reversal of 4961021 is 1201694.

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 4961021 - 2² = 4961017 is a prime.

It is a super-2 number, since 2×4961021² = 49223458724882, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4961027) 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, 4136 + ... + 5198.

It is an arithmetic number, because the mean of its divisors is an integer number (670320).

Almost surely, 2^4961021 is an apocalyptic number.

It is an amenable number.

4961021 is a deficient number, since it is larger than the sum of its proper divisors (401539).

4961021 is a wasteful number, since it uses less digits than its factorization.

4961021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 4961021 is about 2227.3349546038. The cubic root of 4961021 is about 170.5520805918.

The spelling of 4961021 in words is "four million, nine hundred sixty-one thousand, twenty-one".