4921245 has 48 divisors (see below), whose sum is σ = 10333440. Its totient is φ = 2115072.

The previous prime is 4921243. The next prime is 4921253. The reversal of 4921245 is 5421294.

It is not a de Polignac number, because 4921245 - 2¹ = 4921243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4921243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4896 + ... + 5814.

It is an arithmetic number, because the mean of its divisors is an integer number (215280).

Almost surely, 2^4921245 is an apocalyptic number.

4921245 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4921245 is an abundant number, since it is smaller than the sum of its proper divisors (5412195).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4921245 is a wasteful number, since it uses less digits than its factorization.

4921245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954 (or 951 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 4921245 is about 2218.3879282037. The cubic root of 4921245 is about 170.0950448909.

The spelling of 4921245 in words is "four million, nine hundred twenty-one thousand, two hundred forty-five".