5261603 has 4 divisors (see below), whose sum is σ = 5373600. Its totient is φ = 5149608.

The previous prime is 5261587. The next prime is 5261611. The reversal of 5261603 is 3061625.

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 5261603 - 2⁴ = 5261587 is a prime.

It is a super-2 number, since 2×5261603² = 55368932259218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5261623) 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, 55928 + ... + 56021.

It is an arithmetic number, because the mean of its divisors is an integer number (1343400).

Almost surely, 2^5261603 is an apocalyptic number.

5261603 is a deficient number, since it is larger than the sum of its proper divisors (111997).

5261603 is a wasteful number, since it uses less digits than its factorization.

5261603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111996.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 5261603 is about 2293.8184322217. The cubic root of 5261603 is about 173.9292771993.

The spelling of 5261603 in words is "five million, two hundred sixty-one thousand, six hundred three".