4915903 has 4 divisors (see below), whose sum is σ = 4941568. Its totient is φ = 4890240.

The previous prime is 4915891. The next prime is 4915961. The reversal of 4915903 is 3095194.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3095194 = 2 ⋅1547597.

It is a cyclic number.

It is not a de Polignac number, because 4915903 - 2¹³ = 4907711 is a prime.

It is a super-2 number, since 2×4915903² = 48332204610818, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4915303) 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, 12543 + ... + 12928.

It is an arithmetic number, because the mean of its divisors is an integer number (1235392).

Almost surely, 2^4915903 is an apocalyptic number.

4915903 is a deficient number, since it is larger than the sum of its proper divisors (25665).

4915903 is a wasteful number, since it uses less digits than its factorization.

4915903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25664.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 4915903 is about 2217.1835738161. The cubic root of 4915903 is about 170.0334766829.

The spelling of 4915903 in words is "four million, nine hundred fifteen thousand, nine hundred three".