5251013 has 4 divisors (see below), whose sum is σ = 5277600. Its totient is φ = 5224428.

The previous prime is 5251009. The next prime is 5251019. The reversal of 5251013 is 3101525.

5251013 is nontrivially palindromic in base 13.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5251013 - 2² = 5251009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5250982 and 5251000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5251019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12995 + ... + 13392.

It is an arithmetic number, because the mean of its divisors is an integer number (1319400).

Almost surely, 2^5251013 is an apocalyptic number.

It is an amenable number.

5251013 is a deficient number, since it is larger than the sum of its proper divisors (26587).

5251013 is a wasteful number, since it uses less digits than its factorization.

5251013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26586.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 5251013 is about 2291.5088915385. The cubic root of 5251013 is about 173.8125099857.

Adding to 5251013 its reverse (3101525), we get a palindrome (8352538).

The spelling of 5251013 in words is "five million, two hundred fifty-one thousand, thirteen".