4915243 has 4 divisors (see below), whose sum is σ = 5173960. Its totient is φ = 4656528.

The previous prime is 4915241. The next prime is 4915249. The reversal of 4915243 is 3425194.

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

It is a cyclic number.

It is not a de Polignac number, because 4915243 - 2¹ = 4915241 is a prime.

It is a super-2 number, since 2×4915243² = 48319227498098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4915241) 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, 129330 + ... + 129367.

It is an arithmetic number, because the mean of its divisors is an integer number (1293490).

Almost surely, 2^4915243 is an apocalyptic number.

4915243 is a deficient number, since it is larger than the sum of its proper divisors (258717).

4915243 is a wasteful number, since it uses less digits than its factorization.

4915243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258716.

The product of its digits is 4320, while the sum is 28.

The square root of 4915243 is about 2217.0347313473. The cubic root of 4915243 is about 170.0258668829.

The spelling of 4915243 in words is "four million, nine hundred fifteen thousand, two hundred forty-three".