52026013 has 4 divisors (see below), whose sum is σ = 56028028. Its totient is φ = 48024000.

The previous prime is 52025999. The next prime is 52026017. The reversal of 52026013 is 31062025.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11410884 + 40615129 = 3378^2 + 6373^2 .

It is a cyclic number.

It is not a de Polignac number, because 52026013 - 2²⁵ = 18471581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52026017) 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, 2000988 + ... + 2001013.

It is an arithmetic number, because the mean of its divisors is an integer number (14007007).

Almost surely, 2^52026013 is an apocalyptic number.

It is an amenable number.

52026013 is a deficient number, since it is larger than the sum of its proper divisors (4002015).

52026013 is a wasteful number, since it uses less digits than its factorization.

52026013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4002014.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 52026013 is about 7212.9060024376. The cubic root of 52026013 is about 373.3133449297.

Adding to 52026013 its reverse (31062025), we get a palindrome (83088038).

The spelling of 52026013 in words is "fifty-two million, twenty-six thousand, thirteen".