4921331 has 4 divisors (see below), whose sum is σ = 4949952. Its totient is φ = 4892712.

The previous prime is 4921309. The next prime is 4921337. The reversal of 4921331 is 1331294.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4921331 is a prime.

It is a super-2 number, since 2×4921331² = 48438997623122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4921297 and 4921306.

It is not an unprimeable number, because it can be changed into a prime (4921337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14051 + ... + 14396.

It is an arithmetic number, because the mean of its divisors is an integer number (1237488).

Almost surely, 2^4921331 is an apocalyptic number.

4921331 is a deficient number, since it is larger than the sum of its proper divisors (28621).

4921331 is a wasteful number, since it uses less digits than its factorization.

4921331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28620.

The product of its digits is 648, while the sum is 23.

The square root of 4921331 is about 2218.4073115639. The cubic root of 4921331 is about 170.0960357031.

The spelling of 4921331 in words is "four million, nine hundred twenty-one thousand, three hundred thirty-one".