4921251 has 8 divisors (see below), whose sum is σ = 6623424. Its totient is φ = 3249960.

The previous prime is 4921243. The next prime is 4921253. The reversal of 4921251 is 1521294.

4921251 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4921251 - 2³ = 4921243 is a prime.

It is a super-2 number, since 2×4921251² = 48437422810002, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (4921253) 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, 7345 + ... + 7986.

It is an arithmetic number, because the mean of its divisors is an integer number (827928).

Almost surely, 2^4921251 is an apocalyptic number.

4921251 is a deficient number, since it is larger than the sum of its proper divisors (1702173).

4921251 is a wasteful number, since it uses less digits than its factorization.

4921251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15441.

The product of its digits is 720, while the sum is 24.

The square root of 4921251 is about 2218.3892805367. The cubic root of 4921251 is about 170.0951140177.

The spelling of 4921251 in words is "four million, nine hundred twenty-one thousand, two hundred fifty-one".