5261403 has 8 divisors (see below), whose sum is σ = 8017408. Its totient is φ = 3006504.

The previous prime is 5261387. The next prime is 5261419. The reversal of 5261403 is 3041625.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5261387) and next prime (5261419).

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

It is not a de Polignac number, because 5261403 - 2⁴ = 5261387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 250543 = 5261403 / (5 + 2 + 6 + 1 + 4 + 0 + 3).

It is a self number, because there is not a number n which added to its sum of digits gives 5261403.

It is not an unprimeable number, because it can be changed into a prime (5261203) 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, 125251 + ... + 125292.

It is an arithmetic number, because the mean of its divisors is an integer number (1002176).

Almost surely, 2^5261403 is an apocalyptic number.

5261403 is a deficient number, since it is larger than the sum of its proper divisors (2756005).

5261403 is a wasteful number, since it uses less digits than its factorization.

5261403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250553.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 5261403 is about 2293.7748363778. The cubic root of 5261403 is about 173.9270734162.

The spelling of 5261403 in words is "five million, two hundred sixty-one thousand, four hundred three".